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8th Grade Exam Review

Total questions: 49

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

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

a)

13

b)

14

c)

12

d)

15

2.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
3.

Which of the following symbols when placed in the blank, will result in a true number sentence?

√7 _____ 2.5

a)

<

b)

>

c)

+

d)

=

4.

Which expression is equivailent to:

7⋅7⋅7⋅8⋅8⋅8⋅8⋅b⋅b

a)

73⋅84⋅b2

b)

7-3⋅8-4⋅b-2

c)

(7⋅8⋅b)9

d)

(7⋅8⋅b)4

5.

Which of the following is equivailent to: 3⁻⁴?

a)

1 ⁄ 81

b)

-81

c)

81

d)

1 ⁄ 12

6.

What is the simplified form of the given expression?

a)

43

b)

415

c)

13

d)

115

7.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
8.
42 * 42
a)
164
b)
42
c)
44
d)
82
9.
What two whole numbers is the square root of 112 in between? 
a)
10 and 11
b)
11 and 12
c)
100 and 121
d)
it is a perfect square
10.

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

a)

100in2

b)

121in2

c)

22in2

d)

44in2

11.

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

a)

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

b)

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

c)

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

d)

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

12.

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

a)

y = -1/4x + 2

b)

y = 1/4x - 2

c)

y = 2x - 4

d)

y = 1/2x + 4

13.

Find the slope of the line that passes through

(10, 1) and (5, 2)

a)

1/5

b)

-1/5

c)

5

d)

-5

14.
What is the solution to the following system?
a)
All Real Numbers
b)
No Solution
15.
Write the equation for the line in slope-intercept form.
a)
y= -1x+3
b)
y= 4x+3
c)
y=1/4x+3
d)
y= -4x+3
16.
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.
a)
.50x + 20 = 35
b)
.50x = 35
c)
.50 + 20x = 35 
d)
.50x - 20 = 35
17.
Twice a number plus 6 is -72
a)
2 + 6x =- 72
b)
2x + 6 = -72
c)
2 + 6 = x
d)
2x2 + 6 = 72
18.
Solve for x:
5x - 14 = 8x + 4
a)
x = 6
b)
x = -6
c)
x = -18/13
d)
x = 10/3
19.

Find the solution to the equation:

25 - 5a = -5( a - 4)

a)

a = 0

b)

a = 10

c)

No Solution

d)

Infinite Solutions

20.
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?
a)
3 pounds
b)
4 pounds
c)
5 pounds
d)
6 pounds
21.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
22.
Evaluate f(-2) if f(x) = x+3
a)
-1
b)
1
c)
5
d)
-5
23.
Is the graph pictured a linear or nonlinear function?
a)
Linear
b)
Nonlinear
24.

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

a)

f(x) =150 + 40

b)

f(x) =40x + 150

c)

f(x)=150x + 40

25.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
26.

Which table represnts a nonlinear function?

a)

Table 1

b)

Table 2

c)

Table 3

d)

Table 4

27.
Which company shows a greater rate of change?
a)
Water's Edge Rafts
b)
Ryan's Rafts
28.

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?

a)

t = 6.5c

b)

c = 6.5t

c)

t = 4.5c

d)

c = 4.5t

29.

What is the rate of change for the given table?

a)

3

b)

1/3

c)

10

d)

-3

30.

What is the SUM of the angle measures in a 35-gon?

(s = (n-2) x 180)

a)

180°

b)

5940°

c)

1080°

d)

169.71°

31.

Nicholas has a very large soup pot shaped like a cylinder that has a height of 15 inches and a radius of 6 inches. How much soup can Nicholas’s soup pot hold?

v = πr2h

a)

5596.07 in3

b)

593.76 in3

c)

1781.283 in3

d)

1696.5 in3

32.

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

a)

14 inches

b)

12 inches

c)

10 inches

d)

8.5 inches

33.
Name a pair of alternate interior angles.
a)
angle 3 & angle 4
b)
angle 5 & angle 6
c)
angle 3 & angle 6
d)
angle 3 & angle 5
34.
Does the image show a Dilation?
a)
Yes
b)
No
35.

Find the volume of the sphere. Round your answers to the nearest tenth if necessary.

V = 4/3πr3

a)

310.3 cm3

b)

379.2 cm3

c)

240.8 cm3

d)

456 cm3

36.
State the angle relationship and find the measure of angle 1
a)
Corresponding
110
b)
Alternate Exterior
110
c)
Corresponding
70
d)
Alternate Exterior
70
37.
Point (-5,2) is reflected over the y axis.  Where is the new point located?
a)
(5,2)
b)
(-5,-2)
c)
(-5,2)
d)
(5,-2)
38.

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?

a)

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

b)

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

c)

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

d)

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

39.

A birthday hat is in the shape of a cone and have a radius of 4 inches and a slant height of 9 inches. What is the lateral area of the hat rounded to the nearest inch?

LA = πrl

a)

36in2

b)

113in2

c)

41in2

d)

226in2

40.

What type of association does this scatter plot show?

a)

positive

b)

negative

c)

no association

d)

Skewed

41.
Find the mean:
28, 18, 19, 18, 17
a)
20
b)
18
c)
11
d)
19
42.
Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?
a)
193
b)
127
c)
60
d)
66
43.
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? 
a)
A. 50 min
b)
B. 80 min
c)
C. 45 min
d)
D. 60 min
44.
What is the correlation between length of running start and distance of jump?
a)
positive:  the further you run the further you jump
b)
negative: the less you run the less distance of your jump
c)
positive: the further your running start the less your distance
45.

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

a)

.35

b)

.1625

c)

.65

d)

.25

46.

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

a)

Tara earned 465 points on 6 tests

b)

Sara earned 644 points on 7 tests

c)

Ian earned 372 points on 5 tests

d)

Joe earned 340 points on 4 tests

47.

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

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

a)

4.5, 9.5

b)

4, 9

c)

2, 12

d)

6, 8

48.

What is the median of the data?

a)

200

b)

100

c)

90

d)

140

49.

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

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

a)

The median is 5

b)

The range is 10

c)

The mean is 7

d)

The mode is 5

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