Parabolas & Solving Quadratics

What are the zeros? or roots or x-intercepts?

ALL ARE THE SAME!!!!

• x = -16

• x = 0 and x = 4

• y = 0

• x = 4

Tags

CCSS.HSF-IF.C.7A

Solve.

x² + 5x - 24 = 0

• x = 4 and -6

• x = 8 and -3

• x = 3 and -8

• x = -4 and 6

Solve.

x² - 13x + 42 = 0

• x= 6 and 7

• x= -6 and -7

• x= 3 and 14

• x = -3 and -14

Solve.

x² - 16 = 0

• x = 256

• x = 4

• x = 8 and -8

• x = 4 and -4

What is the vertex of this quadratic equation?

• (-4, 4)

• (4, -4)

• (-2, -6)

• (0, -12)

Does this graph have a maximum or minimum?

• Minimum

• Maximum

Tags

CCSS.HSF-IF.C.7A

How many zeros does this parabola have?

• 3

• 2

• 0

• 1

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

The solutions of a quadratic equation will be the same as the ____________ of the graph.

• y-intercepts

• vertex

• axis of symmetry

• x-intercepts

What are the zeros? or roots or x-intercepts?

ALL ARE THE SAME!!!!

• x = 9

• x = 3 and x = 9

• y = 9

• x = 4

Tags

CCSS.HSF-IF.C.7A