Algebra 1b: Unit 3 Obj 1: Determine Slope And Y-intercept From A Graph

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| By Vicki Barr

Vicki Barr

Community Contributor

Quizzes Created: 14 | Total Attempts: 2,253

Questions: 12 | Attempts: 130 | Updated: Mar 20, 2023

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Questions and Answers

1.

Which type of slope is shown?
- A.
  
  Negative
- B.
  
  Zero Slope
- C.
  
  Undefined
Correct Answer
C. Undefined

Explanation
The given question is asking about the type of slope shown. However, no context or information is provided to determine the slope. Without any additional information, it is not possible to determine the type of slope, so the answer is undefined.

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2.

Which type of slope is shown?
- A.
  
  Positive
- B.
  
  Negative
- C.
  
  Zero Slope
- D.
  
  Undefined
Correct Answer
A. Positive

Explanation
The given answer is "Positive" because a positive slope indicates that the line is increasing as it moves from left to right. In other words, the line is slanting upwards from left to right.

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3.

Which type of slope is shown?
- A.
  
  Positive
- B.
  
  Negative
- C.
  
  Zero Slope
- D.
  
  Undefined
Correct Answer
B. Negative

Explanation
The given correct answer is "Negative". This suggests that the slope shown is negative, meaning that it is decreasing as it moves from left to right. In other words, the line is sloping downwards.

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4.

What is the slope of the line?
- A.
  
  -3/2
- B.
  
  3
- C.
  
  2/3
- D.
  
  3/2
Correct Answer
D. 3/2

Explanation
Pick any two points (4,4) (6,7) (8,10) Each time you go over 2 you rise up 3. So rise over run.... 3/2.

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5.

What is the slope of the line?
- A.
  
  -1
- B.
  
  -2
- C.
  
  2
- D.
  
  -3
Correct Answer
B. -2

Explanation
The slope of a line represents the steepness of the line. In this case, the slope is -2. This means that for every unit increase in the horizontal direction, the line will decrease by 2 units in the vertical direction. The negative sign indicates that the line is sloping downwards from left to right.

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6.

Which type of slope is shown?
- A.
  
  Positive
- B.
  
  Negative
- C.
  
  Zero Slope
- D.
  
  No Slope
Correct Answer
C. Zero Slope

Explanation
Zero slope is shown when the line is horizontal and has no steepness. This means that for every change in the x-coordinate, there is no change in the y-coordinate. In other words, the line is perfectly flat and does not rise or fall. This can be visualized as a straight line parallel to the x-axis.

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7.

What is the slope?
- A.
  
  5/3
- B.
  
  3/5
- C.
  
  -3/5
- D.
  
  -5/3
Correct Answer
B. 3/5

Explanation
The slope is a measure of how steep a line is. In this case, the slope is 3/5. This means that for every 5 units of horizontal change, there is a corresponding 3 units of vertical change. It indicates that the line is rising at a moderate rate.

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8.

What is the y-intercept?

Correct Answer
2
(0, 2)
(0,2)

Explanation
The y-intercept is the point where a line or curve intersects the y-axis. In this case, the given points (0, 2) and (0,2) indicate that the line intersects the y-axis at the point (0, 2), where the y-coordinate is 2. Therefore, the y-intercept is 2.

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4
9.

What is the y-intercept?

Correct Answer
-2
(0, -2)
(0,-2)

Explanation
The y-intercept is the point where a line crosses the y-axis. In this case, the given points (0, -2) and (0, -2) indicate that the line intersects the y-axis at y = -2. Therefore, the correct answer is -2.

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4
10.

What is the slope?

Correct Answer
1/2
2/4

Explanation
The slope is a measure of how steep a line is. In this case, the given options are 1/2 and 2/4. Both of these fractions represent the same value, which is 0.5. Therefore, the slope is 0.5, indicating that the line is inclined at a 45-degree angle.

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4
11.

What is the slope?

Correct Answer
-2/5

Explanation
The slope represents the steepness or incline of a line. In this case, the slope is -2/5, which means that for every 5 units moved horizontally, the line will decrease by 2 units vertically. This indicates a negative slope, indicating a downward trend.

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4
12.

What is the slope?

Correct Answer
5/4

Explanation
The slope is a measure of how steep a line is. In this case, the slope is 5/4, which means that for every increase of 4 units in the x-direction, there is an increase of 5 units in the y-direction. This indicates that the line is positively sloped, meaning it rises as it moves from left to right.

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4