Solve quadratics by factoring and completing the square

Solve the following quadratics equation by completing the square...

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Which of the following trinomials is a perfect square trinomial ?

Tags

CCSS.HSA.APR.C.4

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - _ )² = 20

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

What do the "Zeros" represent on a quadratic equation graph?

• x-intercepts

• y-intercepts

• vertex

• focus

Tags

CCSS.HSF-IF.C.7A

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 (fyi....it's factorable)      3x² - 27 = 0

• -27 or 27

• No Solution

• -3 or 3

• -9 or 9

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring Completely:  3x² + 18x +15 = 0 Hint: Factor GCF first.

• x=5 x=-1

• x=3 x = 1

• x= -5 x= - 1

• x= -5 x = 1

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: 3x² + 4x - 4= 0

• x = 6 and x = -2

• x = -2/3 and x = 2

• x = 2/3 and x = -2

• x = -12 and x = 4

Tags

CCSS.HSA-REI.B.4B