Quiz about 8th Grade Math Review

Question 1

Solve  3x - 7 = 32

Accepted Answer

13

Answer

-13

Answer

12

Answer

-12

Question 2

Solve     -5t + 9 = 24

Accepted Answer

-3

Answer

3

Answer

12

Question 3

Solve    -3x + 5 = -16

Accepted Answer

7

Answer

9

Answer

8

Answer

-7

Question 4

The objective when solving an equation is to....

Accepted Answer

isolate the variable.

Answer

check the solution.

Answer

guess and check.

Answer

Combine Like Terms.

Question 5

Solve    8 - 2x = 30

Accepted Answer

-11

Answer

11

Answer

-12

Answer

12

Question 6

Solve for x:

Accepted Answer

x = 10

Answer

x = 20

Answer

x = 7

Answer

x = 3

Question 7

Solve the equation below:

Accepted Answer

k = 176

Answer

k = 152

Answer

k = 5

Answer

k = 27

Question 8

What is the inverse operation needed to solve for p?
765 = p - 254

Accepted Answer

addition

Answer

subtraction

Answer

multiplication

Answer

division

Question 9

WRITE AN EQUATION
331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

Accepted Answer

331=6x+7

Answer

331=7x+6

Answer

331=13x

Answer

331-7=6x

Question 10

WRITE AN EQUATION
Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

Accepted Answer

10+7x=24

Answer

24-10=7x

Answer

24-7x=10

Answer

10+x=14

Question 11

Find the length of the missing side.

Accepted Answer

13 cm

Answer

17 cm

Answer

22 cm

Answer

15 cm

Question 12

solve for c

Accepted Answer

13

Answer

7

Answer

9

Answer

4

Question 13

Find the length of the missing side.

Accepted Answer

80 in.

Answer

20 in.

Answer

68 in.

Answer

16 in.

Question 14

A soccer field is a rectangle 90 meters wide and 120 meters long. The coach asks players to run from one corner to the corner diagonally across. What is this distance?

Accepted Answer

150 m

Answer

210 m

Answer

180 m

Answer

79 m

Question 15

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

Accepted Answer

27 feet

Answer

25 feet

Answer

26 feet

Answer

28 feet

Question 16

What is the length of the missing side?

Accepted Answer

x = 8

Answer

x = 4

Answer

x = 10

Answer

x = 16

Question 17

The area of a square is 117 square meters. Which best represents the length of a side of the square?

Accepted Answer

10.8 m

Answer

11 m

Answer

10 m

Answer

11.2 m

Question 18

112 =

Accepted Answer

121

Answer

22

Answer

44

Answer

144

Question 19

Which would be the next number in the pattern?
36, 49, 64, 81 __

Accepted Answer

100

Answer

82

Answer

18

Answer

64

Question 20

Is function represented by the table linear or nonlinear?

Accepted Answer

nonlinear

Answer

linear

Question 21

Is function represented by the table linear or nonlinear?

Accepted Answer

linear

Answer

nonlinear

Question 22

Linear of Non-linear?

Accepted Answer

Nonlinear

Answer

Linear

Question 23

Which graph depicts a nonlinear function?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

Graph D

Question 24

Is the equation linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 25

Find the rate of change

Accepted Answer

2

Answer

1

Answer

11

Answer

Not a constant slope/Non-Linear

Question 26

Is this function linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 27

What does the "b" stand for in y=mx+b?

Accepted Answer

y-intercept

Answer

slope

Answer

x-intercept

Question 28

What is the equation for the line that passes through the points (4,2) and (0,6)?

Accepted Answer

y = -x + 6

Answer

y = x + 6

Answer

y = -2x + 2

Answer

y = -x - 6

Question 29

What letter represents the slope of a line in the equation y = mx + b?

Accepted Answer

m

Answer

y

Answer

x

Answer

b

Question 30

What is the equation for the line with a slope of 7 and passes through (0,1)?

Accepted Answer

y = 7x + 1

Answer

y = -7x + 1

Answer

y = -1/7x - 1

Answer

y = -1/7x + 1

Question 31

Give the equation for the graph

Accepted Answer

y = - 2x + 4

Answer

y = 5x - 3

Answer

y = 4x + 2

Answer

y =-2x + 5

Question 32

Given the equation y = 2x+3, what is the slope?

Accepted Answer

2

Answer

x

Answer

3

Answer

IDK

Question 33

What is the equation of this line?

Accepted Answer

x = -2

Answer

0

Answer

undefined

Answer

y = -2

Question 34

What is the equation of the line that has a slope of 5 and goes through the point (2,7)?

Accepted Answer

y = 5x - 3

Answer

y = 5x + 3

Answer

y = 1/5x - 3

Answer

y = 1/5x + 3

Question 35

What is the equation of the line in the graph?

Accepted Answer

y = 3

Answer

x = 3

Answer

x = 0

Question 36

Graph. y = 2/3x - 3

Accepted Answer

a

Answer

b

Answer

c

Answer

d

Question 37

Graph. y = -4

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 38

Graph. x = 1

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 39

Given the table, write the equation in the slope-intercept form.

Accepted Answer

y = 2x + 6

Answer

y = 1/3x + 6

Answer

y = 3x + 6

Answer

y = 1/2x + 6

Question 40

Which equation represents the following graph?

Accepted Answer

y = 2x + 3

Answer

y = 3x + 2

Answer

y = -2x + 3

Answer

y = -3x + 2

Question 41

Find the slope

Accepted Answer

-5/3

Answer

-3/5

Answer

5/3

Answer

3/5

Question 42

What is the y-intercept for the given graph?

Accepted Answer

(0,-1)

Answer

(0,-5)

Answer

(0,5)

Answer

(0,1)

Question 43

What is the y-intercept?

Accepted Answer

7

Answer

0

Answer

1

Answer

2

Question 44

Find the value of y when x = 2.

Accepted Answer

8

Answer

2

Answer

6

Answer

7

Question 45

Find slope:

Accepted Answer

m= 4

Answer

m=1/4

Answer

m=-4

Answer

m=-1/4

Question 46

Question 46.

Accepted Answer

Not a Function

Answer

Function

Question 47

What is the definition of function?

Accepted Answer

Every input has only ONE output

Answer

Has inputs and outputs

Answer

Inputs have different outputs every time

Answer

x-values and y-values

Question 48

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 49

Question 49.

Accepted Answer

Not a Function

Answer

Function

Question 50

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 51

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 52

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 53

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 54

Give the domain and range. Tell if it is a function.

Accepted Answer

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

Answer

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

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function

Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function

Question 55

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 56

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 57

Write a rule for the translation.

Accepted Answer

(x +2, y  - 1)

Answer

(x -1, y  + 2)

Answer

(x -2, y  + 1)

Answer

(x +1, y  -  2)

Question 58

Reflect the point (-1, 2) over the y-axis.

Accepted Answer

(1, 2)

Answer

(-1, -2)

Answer

(1, -2)

Answer

(1, 4)

Question 59

Translate the point A (-3, 4) right 5 and up 1

Accepted Answer

(2, 5)

Answer

(-2, 9)

Answer

(-8, 5)

Answer

(8, 3)

Question 60

Describe the transformation shown in the graph.

Accepted Answer

Rotate 90 degress CCW

Answer

Reflect over x-axis

Answer

Reflect over y-axis

Answer

Rotate 270 degrees CCW

Question 61

Identify the transformation from ABC to A'B'C'.

Accepted Answer

(x+8, y+4)

Answer

(x-8, y-4)

Answer

(x+4, y+8)

Answer

(x-4, y-8)

Question 62

When you translate, (x-4,y) will move _____.

Accepted Answer

4 units left

Answer

4 units right

Answer

4 units up

Answer

4 units down

Question 63

Two objects that are the same shape but not the same size are _______.

Accepted Answer

Similar

Answer

Congruent

Answer

Vertical

Answer

Complementary

Question 64

Identify the transformation from ABCD to A'B'C'D'.

Accepted Answer

Translation

Answer

Reflection across the y-axis

Answer

Reflection across the x-axis

Answer

90^o counter clockwise Rotation

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