Solving Polynomials Equations by Factoring

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

Solve by factoring:
x² - 9x = 0

• 9

• 0, 9

• -9, 0

• -9

Tags

CCSS.HSA-REI.B.4B

What property would you use to solve the following?
(x-3)(x+2)=0

• Commutative Property

• Associative Property

• Zero Product Property

• Inverse Property

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2

• x=-3,2

• x=2,3

• x=3,2

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: n² - 2n = 0

• n = 2 and 0

• n = -2 and 0

• n = 2

• n = 0

Tags

CCSS.HSA-REI.B.4B

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B

Solve by factoring

• -2, 4

• -8

• ±8

• No real solution

Tags

CCSS.HSA-REI.B.4B

Convert x² - 9x + 20 to factored form and solve.

• (x-10)(x+2); x = -2, 10

• (x+4)(x+5); x = -5, -4

• (x-4)(x-5); x = 4, 5

• Not factorable

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x²+12x+35=0 are

• x = -5 or x = -7

• x = 5 or x = 7

• x = -35 or x = -1

• x = -9 or x = -4

Tags

CCSS.HSA-REI.B.4B