Algebra 8.5 & 8.6 Test

Factor out the GCF:
 $10x^3-x$  

• x(10x² - 1)

• 5x(2x² - 3)

• 5(2x³ - 1)

• 5x²(10x - 3)

Factor out the GCF:
 $20x^2+15x$  

• 6(2x + 1)

• 3(4x + 2)

• 6x(2x + 1)

• 5x(4x + 3)

Factor by grouping
x³ - 4x² -4x + 16

• (x+4)(x+2)
• (x-4)(x² -4) 
• (x+4)(x² -4)
• (x-4)(x-2)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)
• (2p²+6)(p+4)
• (4p²+3)(p+2)
• (4p²+8p)(3p+6)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

Factor

x² - 2x - 15

• (x+5)(x-3)

• (x-5)(x-3)

• (x-5)(x+3)

• (x+5)(x+3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Factor

x² + 7x + 12

• (x + 2)(x + 10)

• (x + 3)(x + 4)

• (x + 4)(x + 5)

• (x + 4)(x + 6)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor $x^2-8x+15$  

•  $\left(x-5\right)\left(x-3\right)$  

•  $\left(x-4\right)\left(x-3\right)$  

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

•  $\left(x+5\right)\left(x+3\right)$  

Factor $x^2+3x-18$  

•  $\left(x-3\right)\left(x+6\right)$  

•  $\left(x-2\right)\left(x+6\right)$  

•  $\left(x-3\right)\left(x+5\right)$  

•  $\left(x-3\right)\left(x-6\right)$  

Solve the equation $x^2+5x-50=0$  

•  $x=-10,\ 5$  

•  $x=10,\ -5$  

•  $x=25,\ -2$  

•  $x=-25,\ 2$  

Solve the equation $x^2-6x+8=0$  

•  $x=2,\ 4$  

•  $x=-2,\ -4$  

•  $x=-4,\ 4$  

•  $x=-2,\ -3$