Factoring Completely, Factor by Grouping, Factor Difference

Which of the following is a difference of perfect squares?

• x² - 18
• 4x² + 36 
• 9x² - 100
• x² + 4

Tags

CCSS.HSA.SSE.A.2

What are the factors of
25x² - 81?

• (5x - 9)(5x + 9)
• (5x - 9)(5x - 9)
• (5x + 9)(5x + 9)
• Cannot be factored

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor Completely.  
8x³ - 18x

• 2x(4x²-9)                                    
• (4x²+3)(2x-3)
• 2x(2x+3)(2x-3)
• PRIME

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by grouping:
3x³-x²+6x-2

• (x²+2)(3x+1)
•  (x²+2)(3x-1)
• (3x³+6x)(x²-2)
• none of the aboe

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor x² - 25

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 5 ) ( x + 5 )

• Prime

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor x² - 225

• ( x + 15) ( x + 15)

• Prime

• ( x - 15) ( x + 15)

• ( x - 15) ( x - 15)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by Grouping 7r³-8r²+42r-48

• (r²+6)(7r+8)

• (r²+6)(7r-8)

• (r²+6)(r²+8)

• (r²+6)(7r+6)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

Factor by Grouping 20x³-25x²+4x-5

• (5x²-5)(4x+1)

• 5(x²-1)(4x+5)

• (5x²+1)(4x-5)

• (5x²+1)(4x-1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by Grouping 20x³-25x²+4x-5

• (5x²-5)(4x+1)

• 5(x²-1)(4x+5)

• (5x²+1)(4x-5)

• (5x²+1)(4x-1)

Tags

CCSS.HSA.SSE.A.2

Factor Completely.
 $4x^2+24x-64$  

•  $4\left(x+8\right)\left(x-2\right)$  

•  $4(x^2+6x-16)$  

•  $4\left(x^2+24x-16\right)$  

•  $4\left(x-8\right)\left(x+2\right)$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3