Week 11: Factoring Special Polynomials & Solving Polynomials

Factor:  $x^2-121$  

•  $\left(x-11\right)^2$  

•  $\left(x+11\right)\left(x-11\right)$  

•  $\left(x-60.5\right)\left(x+60.5\right)$  

•  $\left(x+11\right)^2$  

Tags

CCSS.HSA.APR.C.4

Factor:  $a^2-10a+25$ 

•  $\left(a-5\right)\left(a+5\right)$  

•  $\left(a+5\right)^2$  

•  $\left(a-5\right)^2$  

•  $\left(a-10\right)^2$  

Tags

CCSS.HSA.APR.C.4

Factor:  $64x^2+112x+49$ 

•  $\left(8x-7\right)\left(8x+7\right)$  

•  $\left(8x-7\right)^2$  

•  $\left(16x+7\right)^2$  

•  $\left(8x+7\right)^2$  

Tags

CCSS.HSA.APR.C.4

Factor:  $k^2-225$ 

•  $\left(k\ +15\right)\left(k\ -15\right)$  

•  $\left(k-15\right)^2$  

•  $\left(k\ -25\right)^2$  

•  $\left(k\ +10\right)\left(k\ -10\right)$  

Tags

CCSS.HSA.APR.C.4

Factor:  $16x^2-81$ 

•  $\left(4x-9\right)^2$  

•  $\left(2x-9\right)^2$  

•  $\left(4x\ +\ 9\right)^2$  

•  $\left(4x+9\right)\left(4x-9\right)$  

Tags

CCSS.HSA.APR.C.4

Factor: 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

m² + 12m - 64 =0

Solve and select ALL solutions.

• m = -4

• m = -3

• m = 4

• m = -16 or 16

• m = 9/2 or 4.5

Tags

CCSS.HSA-REI.B.4B

2x²+2x-4=0

Solve and select ALL solutions.

• x = -1

• x = 1

• x = 2

• x = -2

• Solution not listed

Tags

CCSS.HSA-REI.B.4B

2x² + 7x - 4 = 0

Solve and select ALL solutions.

• x = -4

• x = 4

• x = 2 or -2

• x = -1/2

• x = 1/2

Tags

CCSS.HSA-REI.B.4B

x³ + 9x² + 18x = 0

Solve and select ALL solutions.

• x = 2 or -2

• x = 9 or -9

• x = 0

• x = 6 or -6

• x = 3 or -3

Tags

CCSS.HSA-REI.B.4B