Key Characteristics of Parabolas

What is the green dot on this parabola called?

• vertex

• root

• zero

• solution

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Identify the axis of symmetry. 

• x=-1

• y=-1

• x=4

• y=4

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

Identify the vertex of the parabola. 

• (4,-1)

• (-1,4)

• (0,5)

• None

If a parabola has a vertex at (0, 3), what is the axis of symmetry.

• y = 3

• x = -3

• y = 0

• x = 0

Which statement is TRUE?

• This function has a Maximum

• This function has a Minimum

• This is a constant function

The graph below shows h, the height in meters of a model rocket, versus t, the time in seconds after the rocket is launched. 
Using the graph determine which conclusion is FALSE?

• The height of the rocket was 13 meters at 3 seconds.

• The rocket reached its maximum height at 1.5 seconds.

• The height of the rocket was 2 meters when it was launched.

• The rocket was in the air for a total of 4.25 seconds.

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

• y = -2

• x = 3

• x = -3

• y = 2