Quiz about Unit 6 Expressions and Equations

Question 1

Choose the equivalent expression.

15 + 4(5y + 10)

Accepted Answer

20y + 55

Answer

5y + 25

Answer

20y - 25

Answer

20y + 40

Question 2

Which expression is equivalent to 6(3y - 2y + 7)?

Accepted Answer

6y + 42

Answer

18y + 7

Answer

21y - 14y + 7

Answer

18y + 42

Question 3

Which of the following is NOT equivalent to 42x + 24?

Accepted Answer

7(6x + 17)

Answer

2(21x + 12)

Answer

3(14x + 8)

Answer

6(7x + 4)

Question 4

x - 8 = -5

Accepted Answer

3

Answer

13

Answer

-13

Answer

-3

Question 5

Factor 12x - 20

Accepted Answer

4(3x - 5)

Answer

6(2x - 3)

Answer

4x(3x - 5)

Answer

3(4x + 6)

Question 6

Factor:
4x + 30y

Accepted Answer

2(2x + 15y)

Answer

2(x + 15y)

Answer

4(x + 15y)

Answer

can't be factored

Question 7

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

6x+7=331

Answer

7x+6=331

Answer

13x=331

Answer

331-7=6x

Question 8

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

7x+ 10=24

Answer

24-10=7x

Answer

7x- 24=10

Answer

10+x=14

Question 9

Jared made sixty dollars mowing lawns over the summer. If he spent thirty-nine dollars buying new mower blades, how many seven dollar games could he buy with the money he had left?

Accepted Answer

3 games

Answer

21 games

Answer

7 games

Answer

99 games

Question 10

A bag of candy was shared equally among 4 friends. Each friend gave away 7 pieces of candy. They each ended up with 8 pieces of candy. Write an equation to find how much candy was in the bag at the beginning.

Accepted Answer

c/4 - 7 = 8

Answer

c/7 - 4 = 8

Answer

c/4 + 7 = 8

Answer

4/c - 7 = 8

Question 11

10 < 3x + 19

Accepted Answer

x > -3

Answer

x < 3

Answer

x > 3

Answer

x < -3

Question 12

Solve the inequality:  -3x + 4 > -2

Accepted Answer

x < 2

Answer

x < -1

Answer

x > -1

Answer

x > 2

Question 13

x/5 = 6

Accepted Answer

x = 30

Answer

x = 5

Answer

x = 6

Answer

x = 10

Question 14

Steven has 5 more x-box games than Devin.  Devin's number of x-box games can be represented by n.  Which expression can show the number of games Steven has?

Accepted Answer

n + 5

Answer

5n

Answer

5 - n

Answer

n - 5

Question 15

Shelby has 4 more than twice as many trophies as Jon.  If Jon has x trophies, how many more does Shelby have?

Accepted Answer

4 + 2x

Answer

4x

Answer

4 + 2

Answer

4 + x

Question 16

Like terms are

Accepted Answer

numbers or same variable raised to the same power

Answer

equal numbers

Answer

only unknown values

Question 17

One difference between equations and expressions would be...

Accepted Answer

equations have an equals because they show two equal expressions. Expresions have terms and operations.

Answer

you solve both of them using inverse operations.

Answer

you flip the symbol when you multiply or divide by a negative

Question 18

When solving an inequality, what is the main things that are different from solving equations.

Accepted Answer

Bring down the inequality symbol and FLIP the symbol  when you multiply or divide by a negative.

Answer

Draw the line

Answer

Use inverse operations to solve.

Question 19

Choose an expression that is equivalent to the following
6n + 2(3 - 5n)

Accepted Answer

6 - 4n

Answer

n + 6

Answer

16n + 6

Question 20

Choose the first step in solving the following equation.
-3y - 12 = 14

Accepted Answer

add 12 to both sides

Answer

add 3 from both sides

Answer

subtract 12 from both sides

Question 21

What does this symbol mean?

Accepted Answer

at most

Answer

at least

Answer

less than

Question 22

-12x > 36

Accepted Answer

x < -3

Answer

x > -3

Answer

x > 48

Question 23

Simplify - ( - 12y + 8)

Accepted Answer

12y - 8

Answer

12y + 8

Answer

-12y - 8

Question 24

- 3( 4 - 2x) = 6

Accepted Answer

x = 3

Answer

x = 1

Answer

x = -3

Question 25

Which number line shows all the values of x that makes the inequality true?

Accepted Answer

d

Answer

a

Answer

b

Answer

c

Question 26

-6k + 7k=

Accepted Answer

k

Answer

-k

Answer

12k

Answer

-12k

Question 27

n -10 +9n -3=

Accepted Answer

10n -13

Answer

-3

Answer

9n-3

Answer

n

Question 28

Simplify the following expression:
19 - ( 3 - 5b)

Accepted Answer

16 + 5b

Answer

21 + 5b

Answer

16 - 5b

Answer

21 - 5b

Question 29

Simplify: -2(y - 4) + 5y

Accepted Answer

3y + 8

Answer

-7y + 8

Answer

3y - 8

Answer

-7y - 8

Question 30

Factor: 5x - 35

Accepted Answer

5(x - 7)

Answer

5(x + 7)

Answer

(x - 7)

Answer

(x + 7)

Question 31

Simplify the expression:
6 + 2(7x - 3)

Accepted Answer

14x

Answer

12 + 7x

Answer

14x + 3

Answer

9 + 7x

Question 32

If y=10,find the value of 3+y =

Accepted Answer

13

Answer

-13

Question 33

6 - 3a = 21

Accepted Answer

a= -5

Answer

a= 9

Answer

a= -9

Answer

a= 5

Question 34

Jared made sixty dollars mowing lawns over the summer. If he spent thirty-nine dollars buying new mower blades, how many seven dollar games could he buy with the money he had left?

Accepted Answer

3 games

Answer

21 games

Answer

7 games

Answer

99 games

Question 35

Simplify by combining like terms:
5a + 2b - 3a + 4

Accepted Answer

2a + 2b + 4

Answer

8a + 2b + 4

Answer

8ab

Answer

4ab + 4

Question 36

Simplify the expression:
8(5 + w)

Accepted Answer

40+8w

Answer

40 + w

Answer

85 + 8w

Answer

13+8w

Question 37

(7a + 4) - (9a + 2)

Accepted Answer

-2a + 2

Answer

-2a + 6

Answer

2a + 6

Answer

2a + 2

Question 38

Select all the equations where x=3 is a solution. (3 total)

Accepted Answer

x2 = 9

Accepted Answer

6 = 2x

Accepted Answer

x - 3 = 0

Answer

1 + x = 2

Answer

9 - x = 3

Question 39

Which expression is equivalent to 20c - 8d

Accepted Answer

4(5c - 2d)

Answer

2(10c + 4d)

Answer

4(5c - 8d)

Answer

c(20 - 8d)

Question 40

A symbol, often a letter, representing a quantity in an expression or mathematical equation.

Accepted Answer

variable

Answer

reciprocal

Answer

expression

Answer

coefficient

Question 41

Which equation describes the table?

Accepted Answer

y = 4x

Answer

y = 1/4x

Answer

y = 4 - x

Answer

y = 4 + x

Question 42

What is the missing value in the table?

Accepted Answer

11

Answer

24

Answer

8

Answer

9

Question 43

What is the missing value?

Accepted Answer

16

Answer

12

Answer

20

Answer

26

Question 44

Which equation matches the table?

Accepted Answer

c = 6h

Answer

c = 2h

Answer

c = 10h

Answer

c = 12h

Question 45

Which equation describes the table shown:

Accepted Answer

y = 1x + 2

Answer

y = 1x - 2

Answer

y = 2x + 1

Answer

y = -2x + 2

Question 46

Peter had $50. Every week he babysits he gets $20.
Which equation describes the relationship between Peter's total money (s) and the number of weeks he babysits (w)

Accepted Answer

s=50+20w

Answer

s=50+200w

Answer

s=200+50w

Answer

s=20+50w

Question 47

Lindsay had $40. She works at the grocery store and earns $15 each day.
Which equation shows the relationship between Lindsay's savings (y) and the number of days Lindsay works (x)

Accepted Answer

y = 15x + 40

Answer

x = 15y + 40

Answer

y = 40x + 15

Answer

y = 40 - 15x

Question 48

b > 32
Which value for "b" would make the inequality true?

Accepted Answer

61

Answer

32

Answer

19

Answer

27

Question 49

Question 49.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 50

Question 50.

Accepted Answer

18

Answer

-18

Answer

16

Answer

72

Question 51

Question 51.

Accepted Answer

-108

Answer

-28

Answer

28

Answer

108

Question 52

4x = 16

Accepted Answer

Equation

Answer

Expression

Answer

Inequality

Question 53

2p + 12 > 30

Accepted Answer

Inequality

Answer

Expression

Answer

Equation

Question 54

6m + 13 - 5y

Accepted Answer

Expression

Answer

Equation

Answer

Inequality

Question 55

Simplify by combining like terms:
5a + 2b - 3a + 4

Accepted Answer

2a + 2b + 4

Answer

8a + 2b + 4

Answer

8ab

Answer

4ab + 4

Question 56

3x-5x

Accepted Answer

-2x

Answer

2x

Answer

8x

Answer

15x2

Question 57

Simplify the expression:
n -10 +9n -3

Accepted Answer

10n -13

Answer

-3

Answer

9n-3

Answer

n

Question 58

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

Accepted Answer

3x, -9x

Answer

7, 24y

Answer

3x, 9x

Answer

3x, -9x, 2x²

Question 59

Simplify the expression: 7v + 2 + 12 + 2v

Accepted Answer

9v + 14

Answer

23

Answer

23v

Answer

9 + 14v

Question 60

a + a + a + a

Accepted Answer

4a

Answer

a + 4

Answer

a to the fourth power

Answer

4a + 4

Question 61

y + x + y + y + x

Accepted Answer

2x + 3y

Answer

2 + 3

Answer

x + y

Answer

5xy

Unit 6 Expressions and Equations

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