Expressions, Equations, & Inequalities

1.

Multiple Choice

2 mins

1 pt

Choose the equivalent expression.

15 + 4(5y + 10)

5y + 25

20y - 25

20y + 40

20y + 55

2.

Multiple Choice

30 sec

1 pt

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

18y + 7

21y - 14y + 7

18y + 42

6y + 42

3.

Multiple Choice

3 mins

1 pt

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

2(21x + 12)

3(14x + 8)

6(7x + 4)

7(6x + 17)

4.

Multiple Choice

20 sec

1 pt

(6x + 3y + 4) – (x + y – 5)

5x + 2y + 9

7x + 2y + 9

7x + 4y + 9

5x + 2y -1

5.

Multiple Choice

1 min

1 pt

Factor:
4x + 30y

2(x + 15y)

4(x + 15y)

2(2x + 15y)

can't be factored

6.

Multiple Choice

45 sec

1 pt

Factor 12x - 20

6(2x - 3)

4(3x - 5)

4x(3x - 5)

3(4x + 6)

7.

Multiple Choice

1 min

1 pt

What is the first step to solve this equation:
11 - 3x = 44

Add 3 to both sides

Subtract 11 from both sides

Add 11 to both sides

Divide 3 on both sides.

8.

Multiple Choice

3 mins

1 pt

x - 8 = -5

13

-13

3

-3

9.

Multiple Choice

3 mins

1 pt

-3x + 5 = -13

x = -5

x = 2

x = -6

x = 6

10.

Multiple Choice

1 min

1 pt

0 = 8z + 8

-1

1

0

8

11.

Multiple Choice

1 min

1 pt

7 + ^a⁄₃= 5

a= -2

a= -6

a= 3

a= 15

12.

Multiple Choice

1 min

1 pt

3 + (¹∕₄)a = 31

a= 28

a= 112

a= 7

a= 67

13.

Multiple Choice

1 min

1 pt

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?

7x+6=331

13x=331

6x+7=331

331-7=6x

14.

Multiple Choice

1 min

1 pt

WRITE AN EQUATION

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

24-10=7x

7x- 24=10

7x+ 10=24

10+x=14

15.

Multiple Choice

2 mins

1 pt

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?

21 games

3 games

7 games

99 games

16.

Multiple Choice

1 min

1 pt

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.

c/7 - 4 = 8

c/4 + 7 = 8

4/c - 7 = 8

c/4 - 7 = 8

17.

Multiple Choice

2 mins

1 pt

Write the inequality for the following graph:

x ≥ 4

x ≤ 4

x > 4

x < 4

18.

Multiple Choice

3 mins

1 pt

10 < 3x + 19

x < 3

x > 3

x < -3

x > -3

19.

Multiple Choice

3 mins

1 pt

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

x < -1

x > -1

x < 2

x > 2

20.

Multiple Choice

30 sec

1 pt

Pheobe has $500 in a savings account at the beginning of the summer. She wants to have at least $200 in account by the end of the summer. She withdraws $25 each week for food, clothes, and movie tickets. Write an inequality that represents Pheobe's situation.

200+25w ≥ 500

500-25w ≥ 200

500+25w ≤ 200

200-25w ≤ 500

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