Math 7- Chapter 6 Review "Expressions and Equations"

Simplify the expression: (4.25x + 5) + (2.5x - 1.2)

• 6.75x + 3.8

• 6.75x + 6.2

• 6.75x + 4.2

• 6.75x + 5.8

Tags

CCSS.7.EE.A.1

Simplify the expression: 20 + 2(x + 3) - 5x

• 20 + 2x + 6 - 5x

• 26 - 3x

• 26 + 3x

• 20 + 3x

Tags

CCSS.6.EE.A.3

Factor the expression: 5x + 20

• 5(x + 4)

• 5(x + 5)

• 5(x + 3)

• 5(x + 2)

Tags

CCSS.7.EE.A.1

Carlos currently has $1,200 in his savings account. He saves $40 per month. Diana currently has $1,000 in her account. She saves $20 per month. Write an expression that shows their total savings if they save for the same number of months.

• 2200 + 60m

• 2200 + 40m

• 2200 + 20m

• 2200 + 80m

Tags

CCSS.6.EE.B.6

Solve the equation: 0.5x = 30

• x = 60

• x = 15

• x = 30

• x = 45

Tags

CCSS.6.EE.B.7

Solve the equation: -1/3x = 25

• x = -75

• x = 75

• x = -50

• x = 50

Tags

CCSS.6.EE.B.7

A mechanic charges an initial fee of $300 plus $40 for each hour of work. Mr. Smith paid the mechanic $500. Write an equation to find how many hours the mechanic worked.

• 300 + 40h = 500

• 300h + 40 = 500

• 40 + 300h = 500

• 40h + 300 = 500

Tags

CCSS.HSA.CED.A.3

Solve the equation: 6x - 6 = 30

• x = 6

• x = 5

• x = 4

• x = 7

Tags

CCSS.7.EE.B.4A

Solve the equation: m/7 + 15 = 45

• m = 210

• m = 2100

• m = 21000

• m = 21

Tags

CCSS.7.EE.B.4A

Maria earns $20 per hour as a graphic designer. She also receives a monthly bonus of $500. Maria earned a total of $2,700 last month. How many hours did Maria work?

• 110 hours

• 100 hours

• 105 hours

• 115 hours

Tags

CCSS.7.EE.B.4A