Factoring Review

Which of the following is a difference of perfect squares?

• x² - 18

• 4x² + 36 

• 9x² - 100

• x² + 4

Tags

CCSS.HSA.APR.C.4

What is the first step when factoring polynomials?

• Find the GCF

• Make a triangle

• List all the terms

• Write the answer

Factor completely.
k² -2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k+6)(k-1)

• (k-4)(k+6)

Factor Completely.  
8x³ - 18x

• 2x(4x²-9)

• (4x²+3)(2x-3)

• 2x(2x+3)(2x-3)

• PRIME

Factor

x² + 81

• Not Factorable

• ( x - 9 ) ( x + 9 ) 

• ( x + 9 ) ( x + 9 ) 

• ( x - 9 ) ( x - 9 )

Tags

CCSS.HSA.APR.C.4

Factor completely:

3x² + 18x +15

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Cannot be factored

Factor completely:

x⁴-9x²

• x²(x+3)(x-3)

• (x²+3x)(x²-3x)

• (x²+9)(x-3)(x+3)

• x²(x²-9)

Tags

CCSS.HSA.APR.C.4

Factor by using GCF:
8n³ + 2n²

• 2n²(4n-1)

• 2n²(4n + 1)

• n²(8n+2)

• 3n(4n+1)

Find the factors of

5m² - 45m + 90

• 3(m + 1)(m + 8)

• 5(m - 3)(m - 6)

• 2(m - 7)(m + 3)

• 5(m - 5)(m + 3)

Find the factors of

2b² + 14b - 16

• 2(b - 1)(b + 8)

• 6(b - 1)(b - 5)

• 2(b + 1)(b - 8)

• 2(b - 1)(b - 8)