Characteristic of Parabolas

Identify the X-INTERCEPTS

• (-1,9)

  (0, -8)

• (0,-8)

  (-4, 0)

• (-4,0)

  (2 , 0)

• (0,0)

Identify the vertex

• (-1,-9)

• (0,-8)

• (-4,0)

• (0,0)

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

How many x-intercepts does this parabola have? 

• 3

• 2

• 0

• 1

Given a parabola with a vertex of (4,0) and a focus of (4,-1) write the equation of the parabola.

Mathematical Equivalence

ON

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

Mathematical Equivalence

ON

What is the green dot on this parabola called?

• vertex

• root

• zero

• solution

Which best describes the vertex of a parabola?

• Any point on the parabola.

• A point on the x-axis.

• The highest or lowest point of a parabola

• A point on the y-axis.

How many x-intercepts does this parabola have? 

• 3

• 2

• 0

• 1

Is this a max or min?

• max

• min