# Ask 8 Practice Test A

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This quiz is intended for 8th graders to prepare for the ASK 8 NJ Assessment Test.

• 1.

### Between which two consecutive integers on the number line does the square root of eleven lie?

• A.

3 and 4

• B.

5 and 6

• C.

11 and 12

• D.

22 and 23

A. 3 and 4
Explanation
Remember integers are whole numbers and include negative numbers as well.

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• 2.

### The minimum distance from Neptune to Earth is about 2.68 billion miles. What is 2.68 billion written in scientific notation?

• A.

2.68 X 10 to the 6th power

• B.

2.68 X 10 to the 7th power

• C.

2.68 X 10 to the 9th power

• D.

26.8 x 10 to the 8th power

C. 2.68 X 10 to the 9th power
Explanation
The correct answer is 2.68 X 10 to the 9th power. This is because in scientific notation, the number is written as a decimal between 1 and 10 multiplied by a power of 10. In this case, 2.68 billion can be written as 2.68 multiplied by 10 to the power of 9, indicating that there are 9 zeros after the 2.68.

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• 3.

### Samir made a pattern by starting with 9 and repeatedly dividing by 3, as show below: 9,   3,   1,   1/3,   ?,   1/27,..............What number belongs in the position indicated by the question mark?

• A.

1/6

• B.

1/9

• C.

1/12

• D.

1/18

B. 1/9
Explanation
Remember, dividing by a number is the same as multiplying by its recipricol.

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• 4.

### The graph below shows the distance an airplane traveled over time.Which of the following is the closest to the average speed of the airplane?

• A.

100 miles per hour

• B.

250 miles per hour

• C.

500 miles per hour

• D.

1000 miles per hour

B. 250 miles per hour
Explanation
The line crosses between 200 and three hundred after one hour of flying.

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• 5.

### The floor of the lobby of a theater is shaped like a rectangle, as shown below:Before a performance starts, a velvet rope is stretched diagonally across the lobby.  Which of the following best describes the diagonal length of the lobby?

• A.

Between 8 and 9 meters

• B.

Between 9 and 10 meters

• C.

Between 10 and 11 meters

• D.

Between 11 and 12 meters

A. Between 8 and 9 meters
• 6.

### In In the figure above, parallel lines l and m are intersected by transversal p. If the measure of angle 1 is 50 degrees, what is the degree measure of angle 2?

• A.

40

• B.

110

• C.

130

• D.

105

C. 130
Explanation
Supplementary angles add to 180 degrees. We are also looking at corresponding angles.

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• 7.

### A large jet has a wngspan of 87 1/3 yards, as shown below.  What is the wingspan, in feet of the jet?

• A.

261 ft.

• B.

1,047 ft.

• C.

262 ft.

• D.

870.3 ft.

C. 262 ft.
Explanation
There are 3 feet in one yard. One third of a yard is one foot.

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• 8.

### What is the value of the expression l 15 l +  l -10 l ?

• A.

-25

• B.

-5

• C.

5

• D.

25

D. 25
Explanation
The absolute number is always POSITIVE.

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• 9.

### Mr. Lee has one mathematics class with 16 students and one with 24 students. He wants to divide each class into groups with the same number of students in each group. What is the greatest nunber of students Mr. Lee can have in each group?

• A.

2

• B.

4

• C.

6

• D.

8

D. 8
Explanation
One class will have two groups of 8 which equals 16 and the other class will have three groups of 8 which equals 24.

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• 10.

### Which of the following is equivalent to the expression below?3(1.50) + 3(2.50)

• A.

3(1.50 + 2.50)

• B.

3(1.50)(2.50)

• C.

3(1.50 +3)2.50

• D.

3(3) + (1.50)(2.50)

A. 3(1.50 + 2.50)
Explanation
The distributive property is involved here. a times (b + c) is the same as a times b plus a times c.

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• 11.

### Which of the following graphs best represents the equation below?y = -2x + 1

• A.

Graph A

• B.

Graph B

• C.

Graph C

• D.

Graph D

C. Graph C
Explanation
Positive slopes point up toward Quadrant I. The y-intercept is -1.

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• 12.

### Abe tested 85 Brand X light bulbs to determine their life spans. The histogram pictured here shows the result of is test. What was the total number of Brand X light bulbs that had liffe spans greater than 1000 hours?

• A.

72

• B.

56

• C.

51

• D.

21

D. 21
Explanation
1,000 is 19 bulbs and since it says greater that 1,000 than 1,100 hours would be 21 bulbs.

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• 13.

### The table below shows the relationship between the number of a term in a pattern and the value of that term. The same rule is used to find the value of the term in each row. Based on the pattern shown in the table, which of the following expressions could represent the value of the nth term?

• A.

3n

• B.

N + 2

• C.

N + 5

• D.

2n + 1

D. 2n + 1
Explanation
The equation chosen must work for all the paired values in the table.

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• 14.

### Which of the following is equivalent to the expression below?-2( x - 3)

• A.

X - 5

• B.

X + 6

• C.

-2x - 5

• D.

-2x + 6

D. -2x + 6
Explanation
You must remember to multiply everything inside by the number outside the parenthesis. Also watch our for the signs, positive or negative.

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• Apr 29, 2024
Quiz Edited by
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• Mar 17, 2009
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