Conic Sections Parabolas

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)

• (-3,4)

• (3, -4)

• (-3,-4)

A parabola is the set of all points equidistant from the focus and the directrix.

• true

• false

The focus is always inside the parabola.

• true

• false

All parabolas with a vertical directrix open the left or right.

• true

• false

How WIDE will this parabola be?

• 12

• 3

• (2,3)

• 24

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

Mathematical Equivalence

ON

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

Mathematical Equivalence

ON

In a vertical parabola, which coordinate changes from the vertex to the focus?

Mathematical Equivalence

ON

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

• vertex

• focus

• directrix

• origin

• parabola

• axis

In a horizontal parabola, which coordinate changes from the vertex to the focus?

Mathematical Equivalence

ON