Solve a Quadratic Equation by Factoring

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2

• x = -3/2 and x = -2

• x = 6 and x = 7

• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

Solve using the Zero-Product Property.

(x + 4)(x − 3) = 0

• x = 4 and x = −3

• x = 2 and x = 1

• x = −4 and x = 3

• x = −2 and x = 1

Tags

CCSS.HSA-REI.B.4B

Solve using the Zero-Product Property (x −11)(5x + 1) = 0

Tags

CCSS.HSA-REI.B.4B

Which method is most efficient to solve:
8x²  -  5x  = 0

• Square Roots

• Factoring

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Decide on the best method:
x² - 3x - 54 = 0

• Square Root Method

• Factoring

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

• Isolation Method

• Factoring

• Completing the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

When using factoring to solve a quadratic equation, what must be true?

• The equation must be set equal to 1.

• The equation must be set equal to 10.

• The equation must be set equal to 0.

• It is not necessary to set the equation equal to anything.

Tags

CCSS.HSA-REI.B.4B

Decide on the best method:

3a² + 13a = -4

• Square Root Method

• Factoring

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Can this quadratic be solved by BOTH square root method AND factoring?

16x² - 25 = 0

• Yes!

• No - just square root method

• No - just factoring

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation by factoring. x² - 9x + 20 = 0

• x = -2 or x = 10

• x = -5 or x = -4

• x = 4 or x = 5

• Not factorable

Tags

CCSS.HSA-REI.B.4B