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8th grade final

Total questions: 56

Worksheet time: 3hrs 18mins

Name
Class
Date
1.

What is the simplified form of a4b8 •a7b3?

a)

a–3b5

b)

a3b5

c)

a11b11

d)

a28b24

2.

Which number shows 632 × 104 written in correct scientific notation?

a)

6.32 × 105

b)

6.32 × 106

c)

63.2 × 106

d)

0.632 × 107

3.

Simplify the expression (1.5 × 10–3) (4 × 10–5).

a)

6 × 10-8

b)

6 × 1015

c)

2.5 × 10–8

d)

2.5 × 1015

4.

Choose the number that is rational.

a)

√20

b)

√32

c)

√45

d)

√64

5.

What is the square root of 324?

a)

16

b)

17

c)

18

d)

19

6.

David has a weekend job cleaning windows. He charges different amounts for different size windows. Choose the statement below that is true.

a)

The size of the window depends on the price charged.

b)

The price charged depends on the size of the window.

c)

The size of the window depends on how long it takes to wash.

d)

The time it takes to wash a window depends on the price charged.

7.

A new discount cell phone service charges $55 a month plus $15.00 for every line on the plan. Choose the linear function that represents the relationship between the number of lines (x) and the cost of the plan (y).

a)

y = 70x

b)

x = 70y

c)

y = 55 + 15x

d)

x = 55 + 15y

8.
What is the correct equation in 
Slope-Intercept Form?
(y = mx +b)
a)
y = 1/3x - 1
b)
y = 1/4x -1
c)
y = -1/3x +1
d)
y = -1/4x + 1 
9.
What is the correct equation in 
Slope-Intercept Form?
(y = mx +b)
a)
x = 4
b)
y = 4 
10.
What is the correct equation?
a)
x = 5
b)
y = 5
c)
x = - 5
d)
y = -5 
11.
Given the table, write the equation in the slope-intercept form.
a)
y = 1/3x + 6
b)
y = 3x + 6
c)
y = 2x + 6
d)
y = 1/2x + 6
12.
What letter represents the slope of a line in the equation y = mx + b?
a)
y
b)
m
c)
x
d)
b
13.

Find the slope from the following equation.

y=34x+4y=\frac{3}{4}x+4  

a)

4

b)

3/4

c)

I have no clue because I don't pay attention to Ms. Staggs

d)

What is slope?

14.
Which equation best represents the line on the graph?
a)
y= 1/2x
b)
y= -1/2x
c)
y = 2x
d)
y = -2x
15.
4 = 2(x + 3)
a)
1/2
b)
7/2
c)
-1
d)
5
16.
Solve: 5x - 14 = 8x + 4
a)
6
b)
-6
c)
-18/13
d)
10/3
17.
What is the median of the data set?
9, 7, 2, 4, 3, 5, 9, 6, 8, 0, 3, 8
a)
6
b)
7
c)
5.5
d)
9
18.
Another name for the "mean"
a)
Middle number
b)
Average
c)
Number that repeats the most
d)
Rude
19.
What is the mean of the data set:
8.9, 9.4, 8.6, 9.1
a)
8.5
b)
8.9
c)
9
d)
9.1
20.
What formula should you use to find the length of the missing side?
a)
b x a = c
b)
c2 - b2 = a2
c)
a2 + b2 = c2
d)
a + b = c
21.

Level 1

The Pythagorean Theorem ONLY works on which triangle?

a)

obtuse

b)

scalene

c)

isosceles

d)

right

22.

What is the volume of this rectangular prism?

a)

30 cu ft

b)

36 cu ft

c)

12 cu ft

d)

11 cu ft

23.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
24.
What does the "B" in the volume formula V = B x h stand for?
a)
Bottom of the object
b)
Box
c)
Between
d)
Area of the base
25.
What is the solution of the equation? 
8 = x + 1
a)
9
b)
7
c)
6
d)
8
26.

2x-5=15

a)

x=2

b)

x=-10

c)

x=10

d)

x=-2

27.

6 x 7 = 7 x 6

a)

Commutative

b)

Associative

c)

Identity

d)

Not Equivalent

28.

8 + (5 + 2) = (8 + 5) + 2 is an example of which property?

a)

Addition Property of Equality

b)

Commutative Property of Addition

c)

Associative Property of Addition

d)

Distributive Property

29.
-7(x - 4) = -7x + 28
a)
Multiplication Property of Equality
b)
Distributive Property
c)
Addition Property of Equality
d)
Division Property of Equality
30.
The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
a)
The mean will decrease
b)
The median will decrease
c)
The mean will increase
d)
The median will increase
31.

What are the coordinates of the outlier?

a)

(6,9)

b)

(9,6)

c)

What outlier

32.
What type of association does this graph show?
a)
Positive
b)
negative
c)
none
d)
all of the above
33.

You completed an experiment where you rolled a dice 12 times and recorded your data in the table above. What is the experimental probability of rolling a 4?

a)

2/6

b)

1/6

c)

1/12

d)

5/12

34.

What's her name?

a)

BLACK WIDOW

b)

WONDER WOMAN

c)

SUPER GIRL

d)

WANDA

35.

What show is this? GG

a)
I love Lucy 
b)
Friends 
c)
The Golden Girls 
d)
Family Matters
36.
What is the most popular pizza topping?
a)
Sausage
b)
Anchovies
c)
Pepperoni
37.
How do you write 2 x 2 x 2 x 2 with an exponent?
a)
42
b)
24
c)
22
38.
Any number written to the 0 power is always 1
Example: 80=1
a)
True
b)
False
39.

In the exponent 34, the 3 is the____________ ?

a)

power

b)

base

c)

exponent

d)

integers

40.
Solve the following:
(2 + 7 - 1) ÷ 22
a)
16
b)
2
c)
72.25
d)
8.75
41.
True or False?
2 x 3 + 10 ÷ 2 = 8
a)
True
b)
False
42.
Solve the following:
5 - 62 ÷ 4 - 3
a)
1
b)
-10.75
c)
-31
d)
-7
43.
What would be my first step in solving this problem?
3 + 4 x 6 - 4
a)
addition
b)
multiplication
c)
subtraction
d)
exponents
44.
(7 x 5) + (6 x 4)
a)
48
b)
69
c)
59
d)
72
45.
5-(7+3)÷2
a)
0
b)
-5
c)
5
d)
6
46.

60 - 20 + 70

a)

100

b)

30

c)

110

d)

150

47.

200 ÷ 5 × 7

a)

5

b)

280

c)

28

d)

5 r14

48.

42 x 10 - 72 ÷ 8

a)

411

b)

43 r4

c)

325

d)

42

49.

4 x (18 + 32) ÷ 10

a)

9

b)

20

c)

160

d)

200

50.

(4 + 3)2+5 x 3

a)

57

b)

64

c)

29

d)

44

51.
82 +(7-4)2
a)
74
b)
72
c)
70
d)
73
52.
2 x 9 ÷ 3
a)
5
b)
7
c)
8
d)
6
53.
6 + (4)3
a)
18
b)
30
c)
13
d)
42
54.
Apply the order of operations and choose the correct answer:
40 - 8 + 4 x 2
a)
32
b)
40
c)
64
55.

4(3 + 2) - 5(4) =?

a)

60

b)

15

c)

0

d)

9

56.

15 ÷\div  3 + 2 = ?

a)

3

b)

5

c)

2

d)

7

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