A2U3 Intro to Quadratics

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Tags

CCSS.HSF.IF.C.7

Definition of a Parabola

• The point at which a parabola changes direction, corresponding to the minimum or maximum value of the quadratic function.

• represents the graph of quadratic equation

• identifies how wide or narrow the graph will be

• is the x coordinate of the vertex (𝑥 = h)

Tags

CCSS.HSF-IF.C.7A

Definition the vertex

• The point at which a parabola changes direction, corresponding to the minimum or maximum value of the quadratic function.

• represents the graph of quadratic equation

• identifies how wide or narrow the graph will be

• is the x coordinate of the vertex (𝑥 = h)

Tags

CCSS.HSA.REI.D.10

Is this function QUADRATIC OR LINEAR?
f(x) = 2x - 9

• Linear
• Quadratic

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.IF.A.1

Is this function QUADRATIC OR LINEAR?
f(x) = 9 + x²

• Linear
• Quadratic

Tags

CCSS.8.F.A.3

(0,1) on this parabola is the...

• vertex and maximum 
• vertex and minimum
• axis of symmetry
• focal point

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this quadratic equation?

• (-2,4)

• (2,4)

• (4,-2)

• (-4,-2)

Tags

CCSS.HSF-IF.C.7A

Name the y-intercept.

• (-4,4)
• (0,4)
• (-2,0)
• (0,0)

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

The equation for the axis of symmetry for this parabola is...

• x = 0
• x = -2
• y = -2
• x = 2

Tags

CCSS.HSF-IF.C.7A