Quadratics Intro and Solving

Solve for x:

(x - 9)(x + 3) = 0

• x = 3 or x = 9

• x = 3 or x = -9

• x = -3 or x = 9

• x = -3 or x = -9

Tags

CCSS.HSA-REI.B.4B

Solve for x by factoring:

x² + 13x + 40 = 0

• -8, 5

• -40, -1

• 5, 8

• -8, -5

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 for x:

x² + 2x - 15 = 0

• x = -5 or x = 3

• x = -3 or x = 5

• x = 3 or x = 5

• x = -5 or x = -3

Tags

CCSS.HSA-REI.B.4B

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6

What are the solutions for this quadratic equation?

• -4 and 0

• 4 and 0

• -2 and 4

• -2 and -4

What is the equation for the axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A

Solve for x:

(2x+5)(x - 6) = 0

• -6, 5/2

• -5/2, 6

• 6, 2

• 5, -6

Tags

CCSS.HSA-REI.B.4B