Quiz about 6th Grade Expressions & Equations Review

Question 1

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

Accepted Answer

2a + 2b + 4

Answer

8a + 2b + 4

Answer

8ab

Answer

4ab + 4

Question 2

3x-5x

Accepted Answer

-2x

Answer

2x

Answer

8x

Answer

15x2

Question 3

-6k + 7k=

Accepted Answer

k

Answer

-k

Answer

12k

Answer

-12k

Question 4

Simplify the expression: 2x + 1 + 7x

Accepted Answer

9x + 1

Answer

10x

Answer

10

Answer

9 + 1x

Question 5

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

Accepted Answer

9v + 14

Answer

23

Answer

23v

Answer

9 + 14v

Question 6

Combine like terms
3x + 2x + 3y - 7y

Accepted Answer

5x - 4y

Answer

5x + 10y

Answer

5x + 4y

Answer

5x -10y

Question 7

Factor:
7x-14

Accepted Answer

7(x-2)

Answer

7(x-14)

Answer

7(x+14)

Answer

7(x+2)

Question 8

Factor:
12x-18

Accepted Answer

6(2x-3)

Answer

2(6x-9)

Answer

2(6x+9)

Answer

6(2x+3)

Question 9

Factor the expression.
-44x + 8

Accepted Answer

4(-11x+2)

Answer

4(11x+2)

Answer

4(11x-2)

Answer

-4(11x+2)

Question 10

Factor the expression.
-20f + 32

Accepted Answer

4(-5f+8)

Answer

4(5f-8)

Answer

4(-5f-8)

Answer

-4(-5f-8)

Question 11

Pick the correct inequality.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 12

Pick the correct letter for:
6 > x

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 13

Pick the correct inequality.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 14

x > 6 is read as

Accepted Answer

"any number greater than 6"

Answer

"any number lesser than 6"

Answer

"any number greater than or equal to 6"

Question 15

x < -5 is read as

Accepted Answer

"any number less than -5"

Answer

"any number greater than -5"

Answer

"any number less than or equal to -5"

Question 16

X < 10

Accepted Answer

-3

Accepted Answer

0

Accepted Answer

10

Answer

15

Question 17

x > 15

Accepted Answer

20

Answer

12

Answer

0

Answer

15

Question 18

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.
t = the number of treats
s = the number of students
Which of the variables is independent?

Accepted Answer

s

Answer

t

Question 19

Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.
m = the amount of money Sarah will raise
d = the distance Sarah walks
Which of the variables is dependent?

Accepted Answer

d

Answer

m

Question 20

In order to earn extra money on the weekends, Josie's string quartet performs at wedding receptions. The longer the reception, the more money they earn.
r = the length of the reception
m = the amount of money Josie's quartet earns
Which of the variables is independent?

Accepted Answer

r

Answer

m

Question 21

In the United States House of Representatives, the number of Representatives from a state is calculated based on its population.
r = the number of Representatives
p = the population of a state
Which of the variables is independent?

Accepted Answer

p

Answer

r

Question 22

In order to earn extra spending money, Dalton babysits children after school. The greater the number of hours he babysits, the more money he earns.
h = the number of hours Dalton babysits
m = the amount of money Dalton earns
Which of the variables is dependent?

Accepted Answer

m

Answer

h

Question 23

Solve for x.
x + 4 = 14

Accepted Answer

10

Answer

4

Answer

14

Answer

-4

Question 24

Solve for p.
p + 22 = 66

Accepted Answer

44

Answer

40

Answer

22

Answer

42

Question 25

Solve for x:

Accepted Answer

x = 10

Answer

x = 20

Answer

x = 7

Answer

x = 3

Question 26

What is the value of the missing output?

Accepted Answer

42

Answer

44

Answer

30

Answer

36

Question 27

What rule would explain this input output table?

Accepted Answer

The output is 8 times as much as the input.

Answer

The output is 3 times as much as the input.

Answer

The input is 3 times as much as the output.

Answer

The input is 8 times as much as the output.

Question 28

What is the INDEPENDENT variable?

Accepted Answer

time

Answer

distance

Answer

25

Answer

there isn't one

Question 29

What is the DEPENDENT variable?

Accepted Answer

total cost

Answer

weight

Answer

0.3

Answer

there isn't one

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