Review 7-1 to 7-4

What is the perimeter of the triangle shown?

• 9r²+r-5
• 9r⁴+r²-4
• 9r²-r+4
• 9r²+r-4

Tags

CCSS.HSA.APR.A.1

Which expression represents the perimeter?

• 3x + 3
• 4x + 3
• 4x + 6
• 6x + 6

Tags

CCSS.7.EE.A.1

• A
• B
• C
• D

Tags

CCSS.6.EE.A.3

When SUBTRACTING polynomials, remember:

1 - Match Up

2 - Flip the signs of 2nd Polynomial

3 - Combine

( 5x² + 8x + 7 ) - ( 2x² + 2x + 2 )

• 7x² + 10x + 8

• -3x² - 6x - 5

• 3x² + 6x + 5

Tags

CCSS.HSA.APR.A.1

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Tags

CCSS.7.EE.A.1

Add or Subtract to Simplify:
(5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2 
• x + 2
• 2x² + x - 10 
• x - 10 

Tags

CCSS.HSA.APR.A.1

Which is a common factor of 12x and 27?

• x

• 12

• 3

• 9

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)
• 5x(2x² - 3)
• 5(2x³ - 3x)
• 5x²(10x - 3)

Factor using GCF or monomial factoring:

2x + 18

• 2(x + 9)

• 2(x + 8)

• 2(2x + 9)

• cannot be factored

Tags

CCSS.7.EE.A.1

Factor using GCF or monomial factoring:

w³ + 3w

• 3w(1)

• w(w² + 3)

• w³(w + 3)