Mathematics Test Jss 1
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8+5=
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12
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13
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11
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14
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The 'Mathematics Test JSS 1' assesses junior secondary students on arithmetic sequences, basic operations, and percentage calculations. It aims to develop problem-solving skills and mathematical thinking, relevant for foundational mathematics education.
Quiz Preview
- 2.
7-4=
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3
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12
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4
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5
Correct Answer
A. 3Explanation
The correct answer is 3 because when you subtract 4 from 7, you are left with a difference of 3.Rate this question:
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- 3.
(5+4+2)-8
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-3
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3
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19
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-2
Correct Answer
A. 3Explanation
The given expression (5+4+2)-8 simplifies to 11-8, which equals 3. Therefore, the correct answer is 3.Rate this question:
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- 4.
Type the missing number : -4,-3,-2,-1,0,1__,3,4
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2
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3
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6
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8
Correct Answer
A. 2Explanation
The given sequence is a series of consecutive numbers. Starting from -4, each subsequent number increases by 1. Therefore, the missing number is 2, as it is the next number in the sequence after 1.Rate this question:
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- 5.
What do you call an angle whose measure is 90° ?
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Right Angle
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Acute Angle
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Supplementary Angle
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Adjacent Angle
Correct Answer
A. Right AngleExplanation
A right angle is defined as an angle that measures exactly 90 degrees. It is formed when two lines intersect each other perpendicularly, creating four equal 90-degree angles. The term "right" in right angle refers to the fact that it is the correct or proper angle that forms a perfect L-shape. This angle is commonly found in geometric shapes such as squares and rectangles, where it helps determine the perpendicularity of sides.Rate this question:
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- 6.
A polygon with exactly five sides.
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Octagon
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Quadrilateral
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Hexagon
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Pentagon
Correct Answer
A. PentagonExplanation
A polygon with exactly five sides is called a pentagon. The term "pent" in pentagon refers to the number five. It is a closed figure with five straight sides and five angles. The other options mentioned in the question, such as octagon, quadrilateral, and hexagon, have different numbers of sides and therefore do not meet the criteria of a polygon with exactly five sides.Rate this question:
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- 7.
What is 43?
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64
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16
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4
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20
Correct Answer
A. 64 -
- 8.
An angle that measures exactly 90 degrees.
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Acute angle
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Right angle
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Obtuse angle
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Straight angle
Correct Answer
A. Right angleExplanation
A right angle is a type of angle that measures exactly 90 degrees. It is formed when two lines intersect and create a square corner. In a right angle, one of the lines is perpendicular to the other. This type of angle is commonly found in geometric shapes such as squares and rectangles. It is called a "right" angle because it is considered to be the "correct" angle or the most balanced angle.Rate this question:
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- 9.
Does the point(7, 1) satisfy the equation y = x – 6?
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No
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Yes
Correct Answer
A. YesExplanation
The point (7, 1) satisfies the equation y = x - 6 because when we substitute x = 7 into the equation, we get y = 7 - 6 = 1. Hence, the statement "yes" is the correct answer.Rate this question:
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- 10.
Coplanar lines that do not meet?
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Parallel lines
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Intersecting lines
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Perpendicular lines
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Skew lines
Correct Answer
A. Parallel linesExplanation
Parallel lines are coplanar lines that do not meet or intersect at any point. They are always equidistant from each other and have the same slope. This means that they will never cross paths and will continue in the same direction indefinitely. Examples of parallel lines include railroad tracks or the sides of a rectangle.Rate this question:
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- 11.
A polygon with exactly three sides
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Triangle
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Quadrilateral
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Hexagon
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Pentagon
Correct Answer
A. TriangleExplanation
A triangle is a polygon with exactly three sides. It is the only option among the given choices that satisfies this condition. A quadrilateral has four sides, a hexagon has six sides, and a pentagon has five sides, which do not match the given condition. Therefore, the correct answer is triangle.Rate this question:
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- 12.
A polygon with exactly nine sides.
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Dodecagon
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Octagon
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Nonagon
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Heptagon
Correct Answer
A. NonagonExplanation
A nonagon is a polygon with exactly nine sides.Rate this question:
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- 13.
An angle that measures more than 90 degrees but less than 180 degrees.
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Acute angle
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Right angle
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Obtuse angle
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Straight angle
Correct Answer
A. Obtuse angleExplanation
An obtuse angle is formed when two lines or sides meet at a point and the angle between them measures more than 90 degrees but less than 180 degrees. It is wider or "obtuse" than a right angle but not as wide as a straight angle.Rate this question:
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- 14.
A polygon with exactly seven sides.
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Heptagon
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Nonagon
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Decagon
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Dodecagon
Correct Answer
A. HeptagonExplanation
A polygon with exactly seven sides is called a heptagon.Rate this question:
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- 15.
The formula for the area of square is A=(s)*(s)
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True
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False
Correct Answer
A. TrueExplanation
The formula for the area of a square is given by multiplying the length of one side (s) by itself. This can be derived from the fact that a square has all sides equal in length, so multiplying any side by itself will give the area of the square. Therefore, the statement "The formula for the area of a square is A=(s)*(s)" is true.Rate this question:
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- 16.
Two rays that both start from a common point and go off in exactly opposite directions
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Infrared rays
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Line
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Opposite rays
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Ray
Correct Answer
A. Opposite raysExplanation
Opposite rays are two rays that originate from the same point and extend in opposite directions, forming a straight line. These rays are also known as opposite or opposite direction rays. They are characterized by their common starting point and their paths moving in diametrically opposite directions. In this case, the given description perfectly matches the concept of opposite rays, making it the correct answer.Rate this question:
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- 17.
A polygon with exactly four sides.
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Triangle
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Quadrilateral
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Pentagon
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Hexagon
Correct Answer
A. QuadrilateralExplanation
A polygon is a closed figure with straight sides. A triangle has three sides, a pentagon has five sides, and a hexagon has six sides. A quadrilateral, on the other hand, has exactly four sides, which makes it the correct answer.Rate this question:
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- 18.
A polygon with exactly twelve sides
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Heptagon
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Nonagon
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Decagon
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Dodecagon
Correct Answer
A. DodecagonExplanation
A polygon with exactly twelve sides is called a dodecagon.Rate this question:
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- 19.
-18-5=
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23
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-23
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-13
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13
Correct Answer
A. -23Explanation
The correct answer is -23. To solve this equation, we subtract 5 from -18. When we subtract a positive number from a negative number, the result becomes more negative. Therefore, -18 - 5 equals -23.Rate this question:
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- 20.
(-6-4)+6
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4
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-3
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-4
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8
Correct Answer
A. -4Explanation
To solve the given expression, we need to follow the order of operations, which states that we should perform any calculations inside parentheses first. In this case, there are no parentheses, so we move on to the next step, which is to perform any additions or subtractions from left to right. We start with -6 minus 4, which equals -10. Then, we add 6 to -10, resulting in -4. Therefore, the correct answer is -4.Rate this question:
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- 21.
An angle measures less than 90 degrees.
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Acute angle
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Adjacent angle
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Obtuse ngle
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Right angle
Correct Answer
A. Acute angleExplanation
An angle that measures less than 90 degrees is called an acute angle. Acute angles are smaller than a right angle and do not exceed 90 degrees. They are commonly found in everyday objects and shapes, such as the corners of a triangle or the hands of a clock at certain times. Unlike obtuse angles, acute angles are considered to be sharp or narrow.Rate this question:
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- 22.
What is the percentage of 3/20 ?
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15 %
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34 %
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3 %
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20 %
Correct Answer
A. 15 %Explanation
The percentage of 3/20 is 15%. This can be calculated by dividing 3 by 20 and then multiplying the result by 100. In this case, 3 divided by 20 equals 0.15, and when multiplied by 100, it becomes 15%.Rate this question:
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- 23.
A miniature golf course recently provided its customers with 12 golf balls, of which 4 were orange. Based on experimental probability, how many of the next 18 golf balls handed out should you expect to be orange golf balls?
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6
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5
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7
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8
Correct Answer
A. 6Explanation
Based on experimental probability, if 4 out of 12 golf balls were orange, then the probability of getting an orange golf ball is 4/12. To find the expected number of orange golf balls out of the next 18, we multiply the probability by the number of balls: (4/12) * 18 = 6. Therefore, we should expect 6 of the next 18 golf balls handed out to be orange.Rate this question:
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- 24.
An angle that measures exactly 180 degrees.
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Acute angle
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Right angle
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Obtuse angle
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Straight angle
Correct Answer
A. Straight angleExplanation
A straight angle is formed when two lines are opposite and form a straight line, measuring exactly 180 degrees. It is the largest possible angle, and all of its interior angles are equal to 180 degrees.Rate this question:
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- 25.
Two angles whose measures have a sum of 180 degrees
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Complementary angle
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Supplementary angle
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Adjacent angle
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Vertical angle
Correct Answer
A. Supplementary angleExplanation
Two angles whose measures have a sum of 180 degrees are called supplementary angles. This is because when the measures of two angles add up to 180 degrees, they are said to be supplementary to each other.Rate this question:
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- 26.
A polygon with exactly six sides
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Octagon
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Quadrilateral
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Hexagon
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Pentagon
Correct Answer
A. HexagonExplanation
A polygon with exactly six sides is called a hexagon.Rate this question:
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- 27.
It describes an exact location in space.
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Point
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Line
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Plane
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Angle
Correct Answer
A. PointExplanation
A point is a fundamental concept in geometry that represents an exact location in space. It has no size or dimensions, and is often represented by a dot. A point is used to define the position of other geometric objects, such as lines, planes, and angles. It is the most basic element in geometry and serves as a building block for more complex shapes and figures.Rate this question:
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- 28.
An angle that measures less than 90 degrees.
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Acute angle
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Right angle
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Obtuse angle
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Straight angle
Correct Answer
A. Acute angleExplanation
An acute angle is an angle that measures less than 90 degrees. It is one of the basic types of angles in geometry, distinguishing itself by being smaller than a right angle (which measures exactly 90 degrees). Acute angles are found in various geometric shapes and are a fundamental concept in understanding angle relationships and properties within different polygons and constructions.Rate this question:
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- 29.
Jackie, a florist, is assembling bouquets of roses to sell at her flower shop. The number of bouquets she can assemble depends on how many roses are in her shop.b = the number of bouquets Jackie can assembler = the number of roses in the flower shopWhich of the variables is independent and which is dependent?
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B is the independent variable and r is the dependent
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R is the independent variable and b is the dependent variable
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Both are dependent
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Both are independent
Correct Answer
A. R is the independent variable and b is the dependent variableExplanation
In this scenario, the number of bouquets Jackie can assemble (b) depends on the number of roses in her flower shop (r). Therefore, the number of roses (r) is the independent variable, as it is the factor that determines the number of bouquets (b) she can assemble. On the other hand, the number of bouquets (b) is the dependent variable, as it is dependent on the number of roses (r) available.Rate this question:
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- 30.
What do you call a data set presented in a tabular form?
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Histogram
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Sampling frame
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Frequency distribution
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Table of random numbers
Correct Answer
A. Frequency distributionExplanation
A data set presented in a tabular form is called a frequency distribution. This type of data presentation organizes the data into categories or intervals and shows the frequency or count of observations within each category. It provides a clear summary of how the data is distributed and allows for easy analysis and interpretation.Rate this question:
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- 31.
What is the length of the hypotenuse , if the length is 3km and the base is 4 km .
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5 km
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20 km
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30 km
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40 km
Correct Answer
A. 5 kmExplanation
The Pythagorean theorem states that in a right-angled triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides (legs). In this case:
Leg 1 = 3 km
Leg 2 (base) = 4 km
Applying the Pythagorean theorem:
Hypotenuse^2 = Leg 1^2 + Leg 2^2 Hypotenuse^2 = 3^2 + 4^2 Hypotenuse^2 = 9 + 16 Hypotenuse^2 = 25 Hypotenuse = √25 = 5 km
Therefore, the length of the hypotenuse is 5 km.Rate this question:
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- 32.
Think of x as a real number. Which of the following numbers when added to x gives x?
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0
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1
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-x
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1/x
Correct Answer
A. 0Explanation
Adding 0 to any real number x will result in x. This is because the property of addition states that adding zero to a number does not change its value. Therefore, when 0 is added to x, the sum will always be x.Rate this question:
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- 33.
Part of a line that has two endpoints.
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Point
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Line
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Line segment
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Plane
Correct Answer
A. Line segmentExplanation
A line segment is a part of a line that has two distinct endpoints. It is a finite portion of a line, with a definite length. Unlike a line, which extends infinitely in both directions, a line segment has a specific starting and ending point. Therefore, a line segment is the correct answer as it fits the given description of having two endpoints.Rate this question:
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- 34.
(-8-3)+5
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6
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-6
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13
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-10
Correct Answer
A. -6Explanation
The given expression (-8-3)+5 can be simplified by first performing the subtraction inside the parentheses, which gives (-11)+5. Then, adding -11 and 5 gives -6 as the final answer.Rate this question:
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- 35.
Which of the following is not a unit of volume?
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Ha
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Cubic inches
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L
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Cubic meter
Correct Answer
A. Ha -
- 36.
Evaluate:4! =
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34
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14
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24
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240
Correct Answer
A. 24Explanation
The expression "4!" represents the factorial of 4, which is calculated by multiplying 4 by all the positive integers less than it. In this case, 4! = 4 x 3 x 2 x 1 = 24.Rate this question:
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- 37.
A cookie factory produced 803 packages of cookies. There were 82 cookies in each package. About how many cookies did the factory produce in all? Choose the better estimate.
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65846
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65879
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65864
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6789
Correct Answer
A. 65846Explanation
The correct answer is 65846. To estimate the number of cookies produced, we can multiply the number of packages (803) by the number of cookies in each package (82). So, 803 * 82 = 65846.Rate this question:
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- 38.
Write the prime factorization of 6. Use exponents when appropriate and order the factors from least to greatest (for example, 2235).
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2*3
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2^2^2
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3*2
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2^4
Correct Answer
A. 2*3Explanation
The prime factorization of 6 is 2 * 3. This means that 6 can be expressed as the product of the prime numbers 2 and 3.Rate this question:
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- 39.
Calculate: (-8) + (+2) - (-6) = ?
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16
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0
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4
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3
Correct Answer
A. 0Explanation
The given expression involves adding a negative number (-8) and a positive number (+2), which results in a negative number (-6). Then, subtracting a negative number (-6) is equivalent to adding its positive counterpart (+6). Therefore, the final calculation is -6 + 6 = 0.Rate this question:
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- 40.
Lines that intersect at a right angle?
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Skew line
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Perpendicular line
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Vertical line
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Intersecting line
Correct Answer
A. Perpendicular lineExplanation
Perpendicular lines are the only lines that intersect at a right angle. When two lines are perpendicular, the angles formed at their intersection are always 90 degrees. This is a unique characteristic of perpendicular lines and distinguishes them from other types of lines such as skew, vertical, or intersecting lines. Skew lines do not intersect at all, vertical lines are parallel to each other, and intersecting lines can intersect at any angle other than 90 degrees. Therefore, the correct answer is perpendicular line.Rate this question:
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- 41.
Two angles whose measures have a sum of 90 degrees.
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Complementary angle
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Supplementary angle
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Adjacent angle
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Vertical angle
Correct Answer
A. Complementary angleExplanation
Complementary angles are two angles whose measures add up to 90 degrees. In this case, the two angles mentioned have a sum of 90 degrees, indicating that they are complementary angles.Rate this question:
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- 42.
What is the greatest common factor of 20 and 17?
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1
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340
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2
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10
Correct Answer
A. 1Explanation
The greatest common factor (GCF) is the largest number that divides evenly into two or more numbers. In this case, the numbers given are 20 and 17. Since 1 is the only number that divides evenly into both 20 and 17, it is the GCF. Therefore, the correct answer is 1.Rate this question:
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- 43.
Which equation is true?
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5/8 = -5/8
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5/8 = -(-5/-8)
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-5/8=4/8
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-3/-4= -3/4
Correct Answer
A. 5/8 = -(-5/-8)Explanation
The equation 5/8 = -(-5/-8) is true because when we simplify the right side of the equation, we get -(-5/-8) = -(5/8) = -5/8. Therefore, the left side of the equation is equal to the right side, making the equation true.Rate this question:
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- 44.
It is a part of a line that has two endpoints?
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Ray
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Segment
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Number line
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Line segment
Correct Answer
A. Line segmentExplanation
A line segment is a part of a line that has two endpoints. Unlike a ray, which extends infinitely in one direction, a line segment has a definite length and can be measured. A number line is a straight line that represents numbers in order, but it does not have endpoints. Therefore, the correct answer is line segment.Rate this question:
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- 45.
How many lines can be drawn passing through a point?
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Only one
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Only two
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Infinite
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None of the above
Correct Answer
A. InfiniteExplanation
A point in space can be connected to any other point by a straight line, so there are infinite lines that can be drawn passing through a single point.Rate this question:
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- 46.
This is formed by two rays with the same endpoint.
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Rays
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Angle
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Line
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Point
Correct Answer
A. AngleExplanation
An angle is formed by two rays with the same endpoint. The rays are called the sides of the angle and the common endpoint is called the vertex. The angle is the space between the two rays, which can be measured in degrees. Angles are used to describe the amount of turn or rotation between two lines or surfaces. They are an important concept in geometry and are used in various fields such as engineering, architecture, and physics.Rate this question:
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- 47.
A flat surface that extends in all directions.
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Point
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Line
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Line segment
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Plane
Correct Answer
A. PlaneExplanation
A plane is a flat surface that extends infinitely in all directions. It has no thickness or boundaries. It can be thought of as a two-dimensional surface that goes on forever. Unlike a line or line segment, which are one-dimensional, a plane has length and width. Therefore, the correct answer is plane.Rate this question:
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- 48.
-9+4=
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-5
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5
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13
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3
Correct Answer
A. -5Explanation
The given equation is -9 + 4. When we add -9 and 4, we get -5.Rate this question:
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- 49.
-6-4=
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-2
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-10
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10
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2
Correct Answer
A. -10Explanation
The given expression is a subtraction problem. To solve it, we subtract 4 from -6. When subtracting a positive number from a negative number, we add the absolute values and keep the sign of the larger number. In this case, the absolute value of -6 is 6, and the absolute value of 4 is 4. Adding them gives us 10. Since -6 is the larger number and it is negative, the answer is -10.Rate this question:
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Oct 16, 2024Quiz Edited by
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Apr 28, 2019Quiz Created by
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