7th Lesson 15

Simplify: -2(y - 4) + 5y

• -7y + 8
• 3y + 8
• 3y - 8
• -7y - 8

Tags

CCSS.6.EE.A.3

Find the perimeter of a square that has a side length of x + 5

• x + 20
• 2x + 10
• 4x + 20

Tags

CCSS.7.EE.A.1

Factor: 5x - 35

• 5(x + 7)
• (x - 7)
• 5(x - 7)
• (x + 7)

Tags

CCSS.7.EE.A.1

n -10 +9n -3=

• -3
• 9n-3
• n
• 10n -13

Tags

CCSS.7.EE.A.1

The perimeter of an equilateral triangle is represented by the expression 3x + 18.  What is the length of one side of the triangle?

• x + 6
• 3(x + 6)
• x + 18
• x - 6

Tags

CCSS.8.EE.C.7B

-2x + 11 + 6x

• 8x+11
• 4x +11
• 4x
• 15x

Tags

CCSS.7.EE.A.1

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Tags

CCSS.6.EE.A.3

What are two (2) expressions that represent the perimeter of the polygon?

•  $45x$  

•  $45+x$  

•  $30x+15$  

•  $17x+15+5x+8x$  

•  $\left(17\ +15+5+8\right)x$  

Tags

CCSS.HSA.APR.A.1

Which expressions represent the perimeter of the rectangle? Mark all that apply.

• $2l+2w$

• $2\left(l+w\right)$

• $l+w$

• $2lw$

• $w+w+l+l$

Tags

CCSS.6.EE.A.4

Dahlia's lounge chair cost c dollars. Serena's lounge chair cost $30 less than half the cost of Dahlia's lounge chair. Which expressions shows the amount, in dollars, that Serena paid for her lounge chair? Mark all that apply.

• $\frac{30}{2}-c$

• $\frac{c}{2}-30$

• $\frac{c-30}{2}$

• $\frac{1}{2}c+15$

• $\frac{1}{2}\left(c-30\right)$

Tags

CCSS.6.EE.B.6