Ch. 7 Expressions and Equations

Abigail's parents pay her $5 an hour for weeding the yard and pay her little sister $3 an hour for raking leaves. Which two expressions represent the amount of money her parents will pay both of them for working the same number of hours?

• 9h

• 8h

• 3(5 +h)

• 3h + 8h

Tags

CCSS.6.EE.B.6

These two angles are adjacent and share a common side and vertex and make a right angle. What angle relationship do they have?

• Vertical

• Complementary

• Supplementary

• Congruent

Tags

CCSS.7.G.B.5

Solve for X.

• 10

• 15

• 20

• 25

Tags

CCSS.7.G.B.5

Which equation can you set up to solve for x?

• 2x + 10 + 40 = 90

• 2x + 10 + 40 = 180

• 2x + 50 = 180

• 2x + 10 = 90

Tags

CCSS.7.G.B.5

A plumber charges a customer a one time service fee of $75 and $45 dollars per hour for labor. He charges $15 per hour if it is a weekend job. Which TWO expressions can be written to represent the total charges for for a weekend job.

• $75h + $45 + $15h

• $75 + $45h + 15h

• $75 + $60h

• 60h

Tags

CCSS.HSA-SSE.A.1A

Simplify this expression.

3n + 4n + 1 - 2n - 3

Tags

CCSS.7.EE.A.1

Simplify the expression.

13x - 7x + 4

Tags

CCSS.7.EE.A.1

A square playground has sides of 4x + 2. Which expression represents the perimeter of the playground.

• 2 (4x + 2)

• 8x + 4

• 4( 4x + 2)

• 16x + 2

Tags

CCSS.7.EE.A.1

Simplify this expression. 4( 2x - 3)

• 8x - 3

• 8x - 4

• 8x + 12

• 8x - 12

Tags

CCSS.6.EE.A.3

Simplify this expression. 3(3x + 4) - 15

• 9x - 3

• 9x + 3

• 9x + 4

• 9x + 12

Tags

CCSS.6.EE.A.3