Quiz about Exponent & Equations Practice

Question 1

x + 12 = 20

Accepted Answer

x = 8

Answer

x = 32

Answer

x = -32

Answer

x = -8

Question 2

5.    6b = 30

Accepted Answer

b = 5

Answer

b = 36

Answer

b = 24

Answer

b = 180

Question 3

Solve the equation
3x = 27.

Accepted Answer

x = 9

Answer

x = 24

Answer

x = 81

Question 4

Question 4.

Accepted Answer

x = 10

Answer

x = 20

Answer

x = 7

Answer

x = 3

Question 5

Question 5.

Accepted Answer

k = 176

Answer

k = 152

Answer

k = 5

Answer

k = 27

Question 6

144=12z

Accepted Answer

z=12

Answer

z=20

Answer

z=11

Question 7

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

Accepted Answer

addition

Answer

subtraction

Answer

multiplication

Answer

division

Question 8

What equation matches this situation?
Robyn had some video games then bought 4 more. Now she has a total of 10 games.

Accepted Answer

v + 4 = 10

Answer

v - 4 = 10

Answer

10 - 4 = v

Answer

Answer not Given

Question 9

2n=100

Accepted Answer

N=50

Answer

N=10

Answer

N=20

Question 10

how would you solve this equation: 9x=153?

Accepted Answer

divide

Answer

multiply

Answer

add

Answer

subtract

Question 11

z + 45 = 92

Accepted Answer

z = 47

Answer

z = -47

Answer

z = 137

Answer

z = -137

Question 12

Find the variable.
13 + q = 56

Accepted Answer

43

Answer

40

Answer

q

Answer

42

Question 13

What is the first step to solve this equation:
3x = 44

Accepted Answer

Divide 3 on both sides.

Answer

Add 3 to both sides

Answer

Subtract 3 from both sides

Answer

Multiply 3 on both sides

Question 14

2( x + 9)

Accepted Answer

2x + 18

Answer

18x

Answer

9x

Question 15

1467 + x = 1653

Accepted Answer

x = 186

Answer

x = 3120

Answer

x = 286

Answer

x = 3020

Question 16

What is the inverse operation of addition?

Accepted Answer

Subtraction

Answer

Division

Answer

Multiplication

Answer

Addition

Question 17

To Solve the Equation Below, you would?
x - 62 = 123

Accepted Answer

add 62 to each side

Answer

subtract 62 from each side

Answer

multiply each side by 62

Answer

Add 123 to each side

Question 18

Question 18.

Accepted Answer

50

Answer

-12.5

Answer

-50

Answer

12.5

Question 19

Solve for x

Accepted Answer

x = 2

Answer

x = 4

Answer

x = 1

Answer

2x = 4

Question 20

What equation is modeled? Solve the equation.

Accepted Answer

x + 6 = 13

Answer

x -6 = 13

Answer

x - 6 = 13

Question 21

If the triangle represents the variable and each circle equals one, is this model and equation in the image correct?

Accepted Answer

Yes

Answer

No, there needs to be 7 circles on the right side of the equal sign.

Answer

No, there needs to be 4 circles on the right side of the equal sign.

Answer

No, there needs to be a minus sign in the equation.

Question 22

17 = x + 3

Accepted Answer

x = 14

Answer

x = 20

Answer

x = 13

Answer

x = 19

Question 23

x + 12 = 20

Accepted Answer

x = 8

Answer

x = 32

Answer

x = -32

Answer

x = -8

Question 24

4 + b = 30

Accepted Answer

26

Answer

-34

Answer

34

Answer

-26

Question 25

x - 32 = 49

Accepted Answer

x = 81

Answer

x = 17

Answer

x = 71

Answer

x = 49

Question 26

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

Accepted Answer

Add 62 to each side.

Answer

Subtract 62 from each side.

Answer

Multiply each side by 62.

Answer

Add 123 to each side.

Question 27

y - 4.6 = 12

Accepted Answer

16.6

Answer

5.8

Answer

7.4

Answer

Answer not Given

Question 28

10x = 90

Accepted Answer

x = 9

Answer

x = 80

Answer

x = 100

Answer

x = 10

Question 29

Solve for x:

Accepted Answer

x = 10

Answer

x = 20

Answer

x = 7

Answer

x = 3

Question 30

What is the inverse operation of division?

Accepted Answer

Multiplication

Answer

Division

Answer

Addition

Answer

Subtraction

Question 31

The area of a rectangular deck is 125 square feet. The width of the deck is 25 feet. Write an equation and solve to find the length.

Accepted Answer

25x=125,
x = 5 feet

Answer

x+22=125,
x = 20 feet

Answer

x-25=125
x=150 feet

Answer

25x=125
x=3,125 feet

Question 32

Which equation has x = 5 as the solution?

Accepted Answer

2x = 10

Answer

x + 15 = 10

Answer

2x = 5

Question 33

What is the correct step to solve for the variable?
15 = m - 5

Accepted Answer

add 5 to both sides

Answer

add 15 to both sides

Answer

subtract 15 from both sides

Answer

subtract 5 from both sides

Question 34

What is the vocabulary term for the number 5 in the expression 5^3?

Accepted Answer

base

Answer

exponent

Answer

number

Answer

power

Question 35

Evaluate or solve this expression 4²

Accepted Answer

16

Answer

8

Answer

6

Answer

32

Question 36

Evaluate 10³

Accepted Answer

1000

Answer

10

Answer

100

Answer

30

Question 37

Evaluate 5⁴

Accepted Answer

625

Answer

20

Answer

9

Answer

125

Question 38

True or False- Exponents are repeated multiplication

Accepted Answer

True

Answer

False

Question 39

How would you write 2x2x2x2x2 in exponential form?

Accepted Answer

25

Answer

2x5

Answer

32

Question 40

What is vocabulary term for the number 3 in this expression 5³

Accepted Answer

exponent

Answer

three

Answer

number

Answer

base

Question 41

Write 7x7x7 in exponential form.

Accepted Answer

73

Answer

three sevens

Answer

21

Answer

343

Question 42

Identify the multiplication as an exponent 8x8x8x8x8x8

Accepted Answer

86

Answer

68

Answer

8x6

Answer

8 multiplied

Question 43

The cube of a number means which exponent should be used?

Accepted Answer

3

Answer

2

Answer

6

Answer

none

Question 44

Which exponential expression means 8 squared?

Accepted Answer

82

Answer

64

Answer

16

Answer

4

Question 45

True or False- 5x2 and 5²equal the same number when you evaluate them.

Accepted Answer

False

Answer

True

Question 46

True or False 9 cubed or 9³have the same meaning

Accepted Answer

True

Answer

False

Question 47

7 raised to the power of 2 means the answer is

Accepted Answer

49

Answer

14

Answer

7x2

Answer

21

Question 48

2³means the same as which expression

Accepted Answer

2 cubed

Answer

6

Answer

5

Answer

2 squared

Question 49

Calculate the exponent 5²

Accepted Answer

25

Answer

10

Answer

7

Answer

3

Exponent & Equations Practice

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