Solving Quadratics by Factoring

Solve the equation by factoring.

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.

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

• FOIL

• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

Solve:

k² - 2k - 24 = 0

• k = -4, 6

• k = -4, -6

• k = -6, 1

• k = 4, -6

Tags

CCSS.HSA-REI.B.4B

Solve:

3x² + 18x +15 = 0

Hint: Factor GCF first.

• x = 3, 2

• x = 5, 1

• x = -5, -1

• x = -3, -2

Tags

CCSS.HSA-REI.B.4B

Solve for the values of x:
(x - 3)(x + 6) = 0

• { -3, -6 }

• { 3, -6 }

• { -3, -6 }

• { 3, 6 }

Tags

CCSS.HSA-REI.B.4B