Math 3 Factoring Review

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Factor:
 2x² - 3x - 2

• (2x - 2)(x + 1)
• (2x + 1)(x - 2)
• (2x - 1)(x - 2)
• (2x - 1) (x - 1)

Factor
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Factor Completely

  $27x^3-64$  

•  $\left(3x-4\right)^3$  

•  $\left(3x-4\right)\left(9x^2+12x+16\right)$  

•  $\left(3x-4\right)\left(9x^2-12x+16\right)$  

•  $\left(3x-4\right)\left(3x+4\right)^2$  

Factor Completely

  $25x^4-64y^2$  

•  $\left(5x^2-8y\right)^2$  

•  $\left(5x^2-8y\right)\left(25x^4+40x^2y+64y^2\right)$  

• none of these

•  $\left(5x^2+8y\right)\left(5x^2-8y\right)$  

Factor Completely

  $8x^4+125x$  

•  $x\left(2x-5\right)\left(4x^2+10x+25\right)$  

•  $x\left(2x+5\right)^3$  

•  $x\left(2x+5\right)\left(4x^2-10x+25\right)$  

•  $x\left(2x+5\right)\left(2x-5\right)^2$  

Factor Completely

  $8x^3-4x^2-18x+9$  

•  $\left(4x^2-9\right)\left(2x-1\right)$  

•  $\left(2x-1\right)\left(2x+3\right)\left(2x-3\right)$  

•  $\left(2x-1\right)^3$  

•  $\left(2x-3\right)^3$  

Factor: 25x² - 9

• (5x + 3)(5x - 3)

• (x + 5)(x - 3)

• (x - 3)(x + 5)

• (5x + 3)(3x + 5)

Tags

CCSS.HSA.APR.C.4

Find the factors of

 $x^2+81$  

• (x-9)(x+9)

• (x+9)(x+9)

• (x-9)(x-9)

• Can't be factored

Factor: 4x²-16x-9

• (2x-9)(2x+1)
• (2x+9)(2x-1)
• (4x-1)(x+9)
• (x+1)(4x-9)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1