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8th Grade Math Review

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.
Does this graph represent a proportional relationship?  
a)
No, because it doesn't pass through the origin.
b)
Yes, because it doesn't pass through the origin.
c)
Yes, because it intersects the y axis.
d)
No, because it intersects the x axis.
2.
Write an equation for this situation.
a)
y=9.75x
b)
y=19x
c)
y=19.25x
d)
y=9.5x
3.
Does this graph represent a proportional relationship?
a)
Yes, because the line is pretty.
b)
No, because the line goes through the origin.
c)
Yes because the line goes through the origin.
d)
No, because the graph is non-proportional.
4.

Find the slope that passes through the points (-1,-4) (2,2)

a)

1/2

b)

2

c)

3/4

d)

6/1

5.
In the equation y=mx+b, what does the m represent?
a)
slope
b)
y-intercept
c)
linear
d)
point-slope
6.
What does 'b" represent in y=mx+b
a)
y-intercept
b)
macaroni
c)
nothing
d)
slope
7.
How would you write the equation with a slope of 2/3 and a y-intercept of -3
a)
y=3/2x+3
b)
y=2/3-3
c)
y=2/3x-3
d)
y=2/3x+3
8.
What is the slope of this graph?
a)
3/2
b)
-2
c)
2/3
d)
-2/3
9.
For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Write an equation for the cost, C, after h hours of babysitting. 
a)
C = 5h + 3
b)
C = 3h + 5
c)
H = 5c + 3
d)
H = 3c + 5
10.
Which company shows a greater rate of change?
a)
Water's Edge Rafts
b)
Ryan's Rafts
11.
The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?
a)
Beth's service ($38 vs. $40) is cheaper
b)
Nate’s service ($42 vs. $44) is cheaper
c)
Nate’s service ($38 vs. $40) is cheaper
d)
Beth's service ($42 vs. $44) is cheaper
12.
What is the initial value (y-int)?
a)
(0,7)
b)
(0, 0)
c)
(0,1)
d)
(0, 2)
13.
What is the rate of change for the following graph?
a)
80
b)
20
c)
40
d)
160
14.
What does the y-intercept represent in this graph?
a)
Every minute 60 students got off the bus.
b)
There were 60 students to start with on the bus ride. 
c)
Each minute, 10 students got off the bus. 
d)
60 students rode the bus every minute. 
15.
Which equation matches the table?
a)
y = 3x + 9
b)
y = x + 9 
c)
y = x + 3
d)
y = 12x - 3
16.
What is the type of correlation?
a)
Negative 
b)
no correlation
c)
positive 
17.
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
18.
Which scatter plot shows a linear relationship between x and y?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
19.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
20.

43

a)

64

b)

16

c)

12

d)

20

21.

x+4=9

a)

5

b)

8

c)

6

d)

1

22.

2x +3=9

a)

3

b)

9

c)

0

d)

14

23.

4x+5=21

a)

6

b)

4

c)

3

d)

2

24.

10 x 3-35÷7

a)

35

b)

5

c)

25

d)

16

25.

2t- 9=21

a)

10

b)

15

c)

9

d)

8

26.

To which real number set do the following real numbers belong?

a)

Irrational Numbers

b)

Natural Numbers

c)

Rational Numbers

d)

Integers

27.

We know that π (Pi) is approximately equal to 3.141592654... To which subset of the real numbers does π belong?

a)

Irrational Numbers

b)

Rational Numbers

c)

Integers

d)

Natural Numbers

28.

Simplify the expression using exponents.

a)

818

b)

915

c)

98

d)

8115

29.

Write the decimal as a fraction in simplest form

a)
b)
c)
d)
30.

Using exponents, what is the simplified form of the expression (24)7

a)

23

b)

1428

c)

228

d)

211

31.

What is the best estimate for the following.

a)

9.3432...

b)

6.782...

c)

8.2326...

d)

10.7638...

32.

This is between which two integers?

a)

12 and 13

b)

13 and 14

c)

45 and 46

d)

91 and 92

33.

0 is a Natural Number.

a)

True

b)

False

34.

Which statement is correct?

a)

All integers are rational numbers.

b)

All irrational numbers are whole numbers

c)

A real number must be a rational number.

d)

A repeating decimal is an irrational number.

35.

Which number is equivalent to 5-1?

a)
b)
c)
d)
36.
What is the perimeter of the shaded figure?
a)
10
b)
16
c)
18
d)
12
37.
Simplify
a)
9
b)
√9
c)
3√9
d)
can't simplify
38.
The correct order of number sets, from smallest to largest (not including irrational) is ________.
a)
Natural, whole, integer, rational, real
b)
Natural, integer, whole, rational, real
c)
Natural, rational, whole, integer, real
d)
Natural, whole, rational, integer, real
39.
x<3
a)
x is less than 3
b)
x is greater than 3
c)
x is less than or equal to 3
d)
x is greater than or equal to 3
40.
congruent; formed by two intersecting lines
a)
origin
b)
vertical angles
c)
exterior angles
d)
independent
41.
In the Pythagorean Theorem, c is always the ____ number.
a)
largest
b)
smallest
c)
middle
d)
first
42.
The Pythagorean Theorem is _____.
a)
a2+b2=c2
b)
a2+c2=b2
c)
b2+c2=a2
d)
a2-b2=c2
43.
Order the following from greatest to least:
0.35,  ⅜,  42%, ⅘, 0.2
a)
⅘,  42%,  ⅜, 0.35, 0.2
b)
  ⅜,  42%, ⅘, 0.2, 0.35
c)
⅘, 0.35,  ⅜,  42%,  0.2
d)
0.2, 0.35, ⅜, 42%  ⅘, 
44.

Given the two parallel lines cut by a transversal, what is the measure of <3?

a)

35

b)

45

c)

5x + 35

d)

180

45.

The measures of supplementary angles add up to_______.

a)

It depends on the angles.

b)

360

c)

180

d)

90

46.
a)

33

b)

53

c)

90

d)

213

47.

Name a pair of alternate exterior angles.

a)

<1, <2

b)

<1, <4

c)

<1, <8

d)

<3, < 6

48.

Lines in the same plane that never meet are called:

a)

perpendicular

b)

skew

c)

supplementary

d)

parallel

49.

The three angles of a triangle measure x, 2x, and 6x. What is the value of x?

a)

9

b)

20

c)

40

d)

90

50.
The sum of 'Complementary Angles' equals to ___ degrees.
a)
Ninety (90)
b)
One hundred and eighty (180)
c)
Ninteen (19)
51.
'Vertical Angles' are ___ .
a)
Adjacent angles
b)
Congruent
c)
Always Horizontal
52.
Angles ∠1 and x are Vertical Angles.  If the measurement of ∠1 is 47°, what is the measurement of ∠x?
a)
m∠x = 43°
b)
m∠x = 47°
c)
m∠x = 133°
53.
What do you call a Transformation that slides?
a)
Rotation
b)
Geometric Turn
c)
Translation
54.
What do you call a Transformation that flips?
a)
Reflection
b)
Translation
c)
Dilation
55.
What do you call a Transformation that Enlarges or Reduces a shape or figure?
a)
Translation
b)
Dilation
c)
Rotation
56.
Find the measure of the missing angle.
a)
40°
b)
33°
c)
30°
d)
29°
57.
What is the measure of angle b? (hint: you need to find a first!)
a)
36o
b)
56o
c)
63o
d)
117o
58.
The supplement of an angle is 65 °. What is the measure of the angle?
a)
25°
b)
15°
c)
115°
d)
35°
59.
Name the same side interior angle to angle 3.
a)
4
b)
5
c)
6
d)
8
60.
Identify the transformation.
a)
Reflection across y-axis
b)
90 Rotation counter clockwise
c)
Translation 5 units left, 1 unit up.
d)
Translation 5 units right, 1 unit down

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