Factoring Solving Quadratics

Solve by factoring: x^2-11x+19=-5

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: 6v^2-18v-18=6

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: n^2+7n+15 = 5

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form

• Find two numbers which add to make 6 and multiply to make -13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

Factor: x² + 12x + 35

• (x + 5)(x + 7)

• (x+4)(x+3)

• (x+7)(x-5)

• (x + 1)(x + 35)

Solve by factoring:3x² + 5x + 2 = 0  

• x = -2/3 and x = -1

• x = -3/2 and x = -1

• x = 2/3 and x = 1

• x = 2/3 and x = -1

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1

• x = 4 and x = 3

• x = 1/4 and x = -3

• x = -1/4 and x = 3

Tags

CCSS.HSA-REI.B.4B

Factor x² – 16.

• (x + 2)(x – 8)

• (x + 4)(x – 4)

• (x + 8)(x - 8)

• (x - 4)(x - 4)

Tags

CCSS.HSA.APR.C.4

Factor: 5x² - 20

• 5(x + 4)(x - 4)

• (5x + 2)(5x - 2)

• (x + 2) (x - 2) 

• 5(x + 2)(x - 2) 

Tags

CCSS.HSA.APR.C.4

Factor: 25x² - 81

• (5x - 9)²

• (5x + 9)(5x - 9)

• 25(x - 9)²

• (9x + 5)(9x - 5)

Tags

CCSS.HSA.APR.C.4