Quiz about 8th Grade Math Review

Question 1

Does this graph represent a proportional relationship?

Accepted Answer

No, because it doesn't pass through the origin.

Answer

Yes, because it doesn't pass through the origin.

Answer

Yes, because it intersects the y axis.

Answer

No, because it intersects the x axis.

Question 2

Write an equation for this situation.

Accepted Answer

y=19.25x

Answer

y=9.75x

Answer

y=19x

Answer

y=9.5x

Question 3

Does this graph represent a proportional relationship?

Accepted Answer

Yes because the line goes through the origin.

Answer

Yes, because the line is pretty.

Answer

No, because the line goes through the origin.

Answer

No, because the graph is non-proportional.

Question 4

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

Accepted Answer

2

Answer

1/2

Answer

3/4

Answer

6/1

Question 5

In the equation y=mx+b, what does the m represent?

Accepted Answer

slope

Answer

y-intercept

Answer

linear

Answer

point-slope

Question 6

What does 'b" represent in y=mx+b

Accepted Answer

y-intercept

Answer

macaroni

Answer

nothing

Answer

slope

Question 7

How would you write the equation with a slope of 2/3 and a y-intercept of -3

Accepted Answer

y=2/3x-3

Answer

y=3/2x+3

Answer

y=2/3-3

Answer

y=2/3x+3

Question 8

What is the slope of this graph?

Accepted Answer

3/2

Answer

-2

Answer

2/3

Answer

-2/3

Question 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.

Accepted Answer

C = 5h + 3

Answer

C = 3h + 5

Answer

H = 5c + 3

Answer

H = 3c + 5

Question 10

Which company shows a greater rate of change?

Accepted Answer

Water's Edge Rafts

Answer

Ryan's Rafts

Question 11

What is the initial value (y-int)?

Accepted Answer

(0,7)

Answer

(0, 0)

Answer

(0,1)

Answer

(0, 2)

Question 12

What is the rate of change for the following graph?

Accepted Answer

40

Answer

80

Answer

20

Answer

160

Question 13

What does the y-intercept represent in this graph?

Accepted Answer

There were 60 students to start with on the bus ride.

Answer

Every minute 60 students got off the bus.

Answer

Each minute, 10 students got off the bus.

Answer

60 students rode the bus every minute.

Question 14

Which equation matches the table?

Accepted Answer

y = 3x + 9

Answer

y = x + 9

Answer

y = x + 3

Answer

y = 12x - 3

Question 15

What is the type of correlation?

Accepted Answer

no correlation

Answer

Negative

Answer

positive

Question 16

What type of correlation does this graph have?

Accepted Answer

positive

Answer

negative

Answer

none

Answer

all of the above

Question 17

Which scatter plot shows a linear relationship between x and y?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

Graph D

Question 18

What is a line of best fit used for?

Accepted Answer

To make predictions

Answer

To make the graph look pretty

Answer

To connect the points

Answer

To make it look like you know what you are doing

Question 19

43

Accepted Answer

64

Answer

16

Answer

12

Answer

20

Question 20

x+4=9

Accepted Answer

5

Answer

8

Answer

6

Answer

1

Question 21

2x +3=9

Accepted Answer

3

Answer

9

Answer

0

Answer

14

Question 22

4x+5=21

Accepted Answer

4

Answer

6

Answer

3

Answer

2

Question 23

2t- 9=21

Accepted Answer

15

Answer

10

Answer

9

Answer

8

Question 24

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

Accepted Answer

Rational Numbers

Answer

Irrational Numbers

Answer

Natural Numbers

Answer

Integers

Question 25

Simplify the expression using exponents.

Accepted Answer

98

Answer

818

Answer

915

Answer

8115

Question 26

Write the decimal as a fraction in simplest form

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 27

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

Accepted Answer

228

Answer

23

Answer

1428

Answer

211

Question 28

What is the best estimate for the following.

Accepted Answer

6.782...

Answer

9.3432...

Answer

8.2326...

Answer

10.7638...

Question 29

This is between which two integers?

Accepted Answer

13 and 14

Answer

12 and 13

Answer

45 and 46

Answer

91 and 92

Question 30

0 is a Natural Number.

Accepted Answer

False

Answer

True

Question 31

Which statement is correct?

Accepted Answer

All integers are rational numbers.

Answer

All irrational numbers are whole numbers

Answer

A real number must be a rational number.

Answer

A repeating decimal is an irrational number.

Question 32

Which number is equivalent to 5^-1?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 33

What is the perimeter of the shaded figure?

Accepted Answer

16

Answer

10

Answer

18

Answer

12

Question 34

The correct order of number sets, from smallest to largest (not including irrational) is ________.

Accepted Answer

Natural, whole, integer, rational, real

Answer

Natural, integer, whole, rational, real

Answer

Natural, rational, whole, integer, real

Answer

Natural, whole, rational, integer, real

Question 35

x<3

Accepted Answer

x is less than 3

Answer

x is greater than 3

Answer

x is less than or equal to 3

Answer

x is greater than or equal to 3

Question 36

congruent; formed by two intersecting lines

Accepted Answer

vertical angles

Answer

origin

Answer

exterior angles

Answer

independent

Question 37

In the Pythagorean Theorem, c is always the ____ number.

Accepted Answer

largest

Answer

smallest

Answer

middle

Answer

first

Question 38

The Pythagorean Theorem is _____.

Accepted Answer

a²+b²=c²

Answer

a²+c²=b²

Answer

b²+c²=a²

Answer

a²-b²=c²

Question 39

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

Accepted Answer

45

Answer

35

Answer

5x + 35

Answer

180

Question 40

The measures of supplementary angles add up to_______.

Accepted Answer

180

Answer

It depends on the angles.

Answer

360

Answer

90

Question 41

Question 41.

Accepted Answer

33

Answer

53

Answer

90

Answer

213

Question 42

Name a pair of alternate exterior angles.

Accepted Answer

<1, <8

Answer

<1, <2

Answer

<1, <4

Answer

<3, < 6

Question 43

Lines in the same plane that never meet are called:

Accepted Answer

parallel

Answer

perpendicular

Answer

skew

Answer

supplementary

Question 44

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

Accepted Answer

20

Answer

9

Answer

40

Answer

90

Question 45

The sum of 'Complementary Angles' equals to ___ degrees.

Accepted Answer

Ninety (90)

Answer

One hundred and eighty (180)

Answer

Ninteen (19)

Question 46

'Vertical Angles' are ___ .

Accepted Answer

Congruent

Answer

Adjacent angles

Answer

Always Horizontal

Question 47

What do you call a Transformation that slides?

Accepted Answer

Translation

Answer

Rotation

Answer

Geometric Turn

Question 48

What do you call a Transformation that flips?

Accepted Answer

Reflection

Answer

Translation

Answer

Dilation

Question 49

What do you call a Transformation that Enlarges or Reduces a shape or figure?

Accepted Answer

Dilation

Answer

Translation

Answer

Rotation

Question 50

What is the measure of angle b? (hint: you need to find a first!)

Accepted Answer

36o

Answer

56o

Answer

63o

Answer

117o

Question 51

Name the same side interior angle to angle 3.

Accepted Answer

6

Answer

4

Answer

5

Answer

8

Question 52

Identify the transformation.

Accepted Answer

Translation 5 units left, 1 unit up.

Answer

Reflection across y-axis

Answer

90 Rotation counter clockwise

Answer

Translation 5 units right, 1 unit down

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