Expressions

Identify the like term in the expression:

2n - n - 4 + 7n

• 2n, n, 4

• 2n,n,7n

• 2n,7n

• 2,4,7

Tags

CCSS.6.EE.A.2B

Simplify the expression.

11x + 9 -7

• 13x

• 11x -16

• 11x+2

• 20x - 7

Tags

CCSS.7.EE.A.1

While catching fireflies, you and a friend decide to have a competition. After m minutes, you have (3m + 13) fireflies and your friend has (4m +6) fireflies.

How many total fireflies do you and your friend catch?

• 7m + 19

• 16m + 10m

• m + 7

• m + 19

Tags

CCSS.HSA.APR.A.1

If the competition lasts 3 minutes, who has more fireflies?

You (3m + 13)

Friends (4m +6)

• you

• your friend

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Simplify the expression:

-9(8 +6n - 4)

• -108 -54n

• -72 -54n +36

• -54n - 36

• 54n - 36

Tags

CCSS.6.EE.A.3

Simplify the expression:

9 - 3(5 - 4x)

• 30 - 24x

• -24 + 12x

• 6 - 12x

• 12x - 6

Tags

CCSS.6.EE.A.3

A ski resort makes snow using a snow fan that costs $1200. The fan has an average daily operation cost of $9.50. Write a simplified expression that represents the cost to purchase and operate 6 snow fans. Use the variable D to represent the number of days that the resort operates the fans.

• 7200 + 57D

• 1200 + 9.50d

• 7200 + 9.50D

• 1200 + 57D

Tags

CCSS.HSA-SSE.A.1A

Simplify the expression:

4.5(3x + 6)

• 7.5x + 10.5

• 4..8x + 5.1

• 4.5 + 9x

• 13.5x + 27

Tags

CCSS.6.EE.A.3

-3(5g + 1) + 8g

• -7g - 3

• -15g - 3 + 8g

• -23g - 3

• 7g - 3

Tags

CCSS.6.EE.A.3

A square wrestling mat has a perimeter of (12x - 32) feet. Explain how to use the expression to find the length (in feet) of the mat.

• 2(6x-16)

• 12(x-20)

• 4(3x - 8)

• 12(x-32)

Tags

CCSS.8.EE.C.7B