Solve quadratics by factoring

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Solve for X:

(x-5)(x+6)=0

• {5,5 }

• { -5,-5 }

• { -5,-6 }

• {5,-6 }

Tags

CCSS.HSA-REI.B.4B

What is the first step in solving

(x + 2)(x - 3) = 0 ?

• Plug in zero for x

• Solve for x

• multiply the polynomial out

• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

Which equation matches these solutions? x=5,-7

• (x+5)(x-7)=0
• (x-5)(x+7)=0
• (x+5)(x+7)=0
• (x-5)(x-7)=0

Tags

CCSS.HSA-REI.B.4B

x²+4x-32=0

• x= -8, 4

• x= 8, -4

• x= -8, -4

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

x² - 9x = 0

• 9

• 0

• -9

• 1

Tags

CCSS.HSA-REI.B.4B

What are the solutions: (select all that apply)

x²-14x-51=0

• x= 17

• x= -17

• x= -3

• x = 3

• x = 0

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: 2x² - 5x - 12 = 0

• x = -4 and x = -6
• x = 4 and x = -3/2
• x = 4 and x = 6
• x = -4 and x = 3/2

Tags

CCSS.HSA-REI.B.4B

What are the factors AND solutions of x² + 2x – 3 = 0

• (x - 2)(x + 1); x=2, x=-1
• (x + 1)(x - 3); x=-1, x=3
• (x + 2)(x - 1); x=-2, x=1
• (x - 1)(x + 3); x=1, x=-3

Tags

CCSS.HSA-REI.B.4B

6x² - x - 2 = 0

• x= -2/3, 1/2

• x= 2/3, -1/2

• x= -2/3, -1/2

• x = -4, 3

Tags

CCSS.HSA-REI.B.4B