Describing Parabolas

Which characteristic describes where the maximum or minimum point of a parabola is located?

• Vertex

• Zeros

• y-intercept

• Reflections

Is this parabola a stretch or a shrink?

• Stretch

• Shrink

Is this parabola a stretch or a shrink?

• Stretch

• Shrink

Which point represents one of the zeros of the parabola?

• (-2, 0)

• (0, -2)

• (-1,3)

• (3, -1)

Tags

CCSS.HSF-IF.C.7A

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

Tags

CCSS.HSF-IF.C.7A

Since the parabola opens right, then the a-value had to be...

• positive

• negative

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1

• f(x) = (x + 2)² - 1

• f(x) = -(x + 2)² - 1

• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

How WIDE will this parabola be?

• 12

• 3

• (2,3)

• 24

Identify the correct graph.

• A

• B

• C

• D