Quiz about 8th Grade Exam Review

Question 1

A wedding director wants to arrange 169 chairs into a square formation. How many chairs would be in each row?

Accepted Answer

13

Answer

14

Answer

12

Answer

15

Question 2

How would you write 4.3756 x 10⁴in standard form?

Accepted Answer

43,756

Answer

437,560,000

Answer

0.00043756

Answer

4,3756

Question 3

What is the simplified form of the given expression?

Accepted Answer

43

Answer

415

Answer

13

Answer

115

Question 4

Express the following in scientific notation:
.000457

Accepted Answer

4.57 x 10^-4

Answer

457 x 10⁶

Answer

457 x 10^-6

Answer

4.57 x10⁴

Question 5

42 * 42

Accepted Answer

44

Answer

164

Answer

42

Answer

82

Question 6

What two whole numbers is the square root of 112 in between?

Accepted Answer

10 and 11

Answer

11 and 12

Answer

100 and 121

Answer

it is a perfect square

Question 7

A square has a side length of 11 inches. What is the area of the square?

Accepted Answer

121in2

Answer

100in2

Answer

22in2

Answer

44in2

Question 8

What is the slope and y-intercept in the following equation: y=-4x-5

Accepted Answer

slope: -4, y-intercpet (0, -5)

Answer

slope: -4, y-intercpet (-5,0)

Answer

Slope: -5, y-intercept (0, -4)

Answer

Slope: -5, y-intercept (-4, 0)

Question 9

The slope of a line in -1/4 and the y-intercept is (0, 2). What is the equation of the line in slope-intercept form?

y = mx + b

Accepted Answer

y = -1/4x + 2

Answer

y = 1/4x - 2

Answer

y = 2x - 4

Answer

y = 1/2x + 4

Question 10

Find the slope of the line that passes through

(10, 1) and (5, 2)

Accepted Answer

-1/5

Answer

1/5

Answer

5

Answer

-5

Question 11

What is the solution to the following system?

Accepted Answer

No Solution

Answer

All Real Numbers

Question 12

Write the equation for the line in slope-intercept form.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=1/4x+3

Answer

y= -4x+3

Question 13

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Write an equation that represents this scenario if she spends $35 in all.

Accepted Answer

.50x + 20 = 35

Answer

.50x = 35

Answer

.50 + 20x = 35

Answer

.50x - 20 = 35

Question 14

Twice a number plus 6 is -72

Accepted Answer

2x + 6 = -72

Answer

2 + 6x =- 72

Answer

2 + 6 = x

Answer

2x² + 6 = 72

Question 15

Solve for x:
5x - 14 = 8x + 4

Accepted Answer

x = -6

Answer

x = 6

Answer

x = -18/13

Answer

x = 10/3

Question 16

Find the solution to the equation:

^{25 - 5a = -5( a - 4)}

Accepted Answer

No Solution

Answer

a = 0

Answer

a = 10

Answer

Infinite Solutions

Question 17

Tara bought an apple for 30 cents and bananas for 60 cents per pound. Her total came to $2.10. How many pounds of bananas did she buy?

Accepted Answer

3 pounds

Answer

4 pounds

Answer

5 pounds

Answer

6 pounds

Question 18

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Accepted Answer

D:{0, 1, 2, -4}
R:{1, -3, -4}

Answer

D: {1, -3, -4,}
R: {0, 1, 2, -4}

Answer

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

Question 19

Evaluate f(-2) if f(x) = x+3

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Question 20

Is the graph pictured a linear or nonlinear function?

Accepted Answer

Nonlinear

Answer

Linear

Question 21

Bob has $150 in his savings account and saves $40 per month. which function shows this relationship?

Accepted Answer

f(x) =40x + 150

Answer

f(x) =150 + 40

Answer

f(x)=150x + 40

Question 22

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 23

Which table represnts a nonlinear function?

Accepted Answer

Table 2

Answer

Table 1

Answer

Table 3

Answer

Table 4

Question 24

Which company shows a greater rate of change?

Accepted Answer

Water's Edge Rafts

Answer

Ryan's Rafts

Question 25

Student tickets cost $4.50 each, and adult tickets cost $6.50. Which equation can be used to find the total cost c of any number of student tickets t?

Accepted Answer

c = 4.5t

Answer

t = 6.5c

Answer

c = 6.5t

Answer

t = 4.5c

Question 26

What is the rate of change for the given table?

Accepted Answer

3

Answer

1/3

Answer

10

Answer

-3

Question 27

One leg of right triangle is 6 inches and the second leg is 8 inches. How long is the hypotenuse?

Accepted Answer

10 inches

Answer

14 inches

Answer

12 inches

Answer

8.5 inches

Question 28

Name a pair of alternate interior angles.

Accepted Answer

angle 3 & angle 5

Answer

angle 3 & angle 4

Answer

angle 5 & angle 6

Answer

angle 3 & angle 6

Question 29

Does the image show a Dilation?

Accepted Answer

Yes

Answer

No

Question 30

State the angle relationship and find the measure of angle 1

Accepted Answer

Corresponding
110

Answer

Alternate Exterior
110

Answer

Corresponding
70

Answer

Alternate Exterior
70

Question 31

Point (-5,2) is reflected over the y axis.  Where is the new point located?

Accepted Answer

(5,2)

Answer

(-5,-2)

Answer

(-5,2)

Answer

(5,-2)

Question 32

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3, what are the coordinates of the vertices of the image?

Accepted Answer

(6,0), (9,-3), (-6,-15)

Answer

(5,3), (6,2), (1,-2)

Answer

(2/3,0), (1,-1/3), (-2/3,-5/3)

Answer

(-1,-3), (0,-4), (-5,-8)

Question 33

What type of association does this scatter plot show?

Accepted Answer

negative

Answer

positive

Answer

no association

Answer

Skewed

Question 34

Find the mean:
28, 18, 19, 18, 17

Accepted Answer

20

Answer

18

Answer

11

Answer

19

Question 35

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

Accepted Answer

66

Answer

193

Answer

127

Answer

60

Question 36

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?

Accepted Answer

D. 60 min

Answer

A. 50 min

Answer

B. 80 min

Answer

C. 45 min

Question 37

What is the correlation between length of running start and distance of jump?

Accepted Answer

positive:  the further you run the further you jump

Answer

negative: the less you run the less distance of your jump

Answer

positive: the further your running start the less your distance

Question 38

What is the relative frequency of males who drive sports cars to the total number of people suveyed?

Accepted Answer

.1625

Answer

.35

Answer

.65

Answer

.25

Question 39

Jane's average math test score was 92%. Which of the following students has the same averge test score as Jane?

Accepted Answer

Sara earned 644 points on 7 tests

Answer

Tara earned 465 points on 6 tests

Answer

Ian earned 372 points on 5 tests

Answer

Joe earned 340 points on 4 tests

Question 40

Find the 1st and 3rd quartiles of the following set of scores:

2, 4, 4, 5, 6, 8, 9, 9, 10, 12

Accepted Answer

4, 9

Answer

4.5, 9.5

Answer

2, 12

Answer

6, 8

Question 41

What is the median of the data?

Accepted Answer

100

Answer

200

Answer

90

Answer

140

Question 42

Which statement is NOT supported by the given set of data?

2, 3, 4, 5, 5, 6, 8, 10, 12

Accepted Answer

The mean is 7

Answer

The median is 5

Answer

The range is 10

Answer

The mode is 5

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