Parabolas and Vocabulary

There will be vocabulary of Parabolas on Quiz 4.

• True

• False

How many different names are there for the X-Intercepts?

• 1

• 4

• 2

Tags

CCSS.HSF-IF.C.7A

Equation for the Axis of Symmetry for this parabola is:

• x = 1

• y = 1

Tags

CCSS.HSF-IF.C.7A

You will also be using a Quadratic equation like a function, to put in X values and record the Y values that come out. And then graph it.

• True

• False

Tags

CCSS.HSF-IF.C.7A

A bridge is built in the shape of a parabolic arch. The arch is 100 feet wide at its base and 20 feet high at its center. How high is the arch 25 feet away from its center?

• 15 feet

• 16 feet

• 18 feet

• 20 feet

In a parabola, "p" tells you the distance from the ​ (a)   to the ​ (b)   and ​ (c)  

• vertex

• focus

• directrix

• origin

• parabola

• axis

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

The point (-2, 15) is part of the parabola.

• True

• False

Tags

CCSS.HSF-IF.C.7A

The point (0, ​ (a)   ) is part of the parabola.

• 5

• 11

• -5

• 8

Tags

CCSS.HSF-IF.C.7A