Features of Parabola

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

Tags

CCSS.HSF-IF.C.7A

Which of the statements about the graph is FALSE?

• The vertex is a maximum

• There are two zeros at x = -3 and x = 3

• The y-intercept is (0, 18)

• The range is y ≥ 18

Tags

CCSS.HSF-IF.C.7A

Find the vertex, focus, and directrix of the parabola with the given equation. 

•  vertex:  (-4, 2) focus:  (-4, 6) directrix:  y = -2

• vertex:  (4, -2) focus:  (4, 2) directrix:  y = -6

•  vertex:  (2, -4) focus:  (2, 0) directrix:  y = -8

• vertex:  (-4, 2) focus:  (-4, -2) directrix:  x = 6

How WIDE will this parabola be?

• 12

• 3

• (2,3)

• 24

What is the focus of this parabola?

• (1/2,0)

• (0,1/2)

• (2,0)

• (0,2)

Find the vertex, focus, and directrix of the parabola with the given equation. 

• vertex:  (3, 2) focus:  (5, 2) directrix:  x = 1

•  vertex:  (-3, -2) focus:  (-1, -2) directrix:  x = -5

• vertex:  (2, 3) focus:  (4, 3) directrix:  x = 0

• vertex:  (3, 2) focus:  (1, 2) directrix:  x = 5

Identify the correct graph.

• A

• B

• C

• D

Identify the correct graph.

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

Given a parabola with a vertex at (4,3) and a directrix of y=1, write the equation of the parabola.

Mathematical Equivalence

ON