Factoring Quadratics

What is the factored form of x²+16x+15

• (x+1)(x+15)
• (x+3)(x+5)
• (x-3)(x-5)
• (x-1)(x+15)

What is the factored form of x²-10x+24

• (x-4)(x-6)
• (x-12)(x+2)
• (x-8)(x-3)
• (x+24)(x-1)

What are the factors of x²+3x-40

• (x+10)(x-4)
• (x+8)(x-5)
• (x+20)(x-2)
• (x+1)(x-3)

What are the factors of x²-8x-48

• (x-12)(x+4)
• (x+12)(x-4)
• (x+12)(x+4)
• (x-12)(x-4)

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

24 and 12 can BOTH be divided by ___. Select all of the choices that make this statement true.

• 2

• 4

• 6

• 8

What is a method of checking your work when factoring?

• FOIL
• asking the teacher every time
• assume you're correct
• division