Identify Axis of Symmetry

Identify the axis of symmetry.

• x=4

• x² – 8x + 12

• x=2

• y=-4

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• x-intercepts

• parabola

• axis of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A

Identify the axis of symmetry.

• y=3

• x=3

• x=5

• x=1

Identify the axis of symmetry.

• x=-1

• x=-2

• y=-1

• y=-2

Tags

CCSS.HSF-IF.C.7A

Identify the axis of symmetry.

• y=2

• x=2

• x=0

• y=0

Tags

CCSS.HSF-IF.C.7A

Identify the axis of symmetry.

• x=-1

• x=4

• x=3

Tags

CCSS.HSF-IF.C.7A

Identify the axis of symmetry.

• x=2

• x=-2

• x=4

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

• y = -2

• x = 3

• x = -3

• y = 2

What's the axis of symmetry of y = 3x² - 6x + 4

• x=1

• x=-6

• x=2

• x=-1

What is the "formula" for finding the axis of symmetry?