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Parabolas

4 videos
3 skills
You've seen parabolas already when you graphed quadratic functions. Now we will look at them from a conic perspective. In particular we will look at them as the set of all points equidistant from a point (focus) and a line (directrix). Have fun!

Parabola intuition 1

PRACTICE PROBLEMS
Make one parabola overlap with another by adjusting the leading coefficient and vertex coordinates.

Parabola focus and directrix 1

VIDEO 14:31 minutes
Parabola as the locus of all points equidistant from a point and a line

Focus and directrix of a parabola 2

VIDEO 18:28 minutes
Finding the focus and directrix of a parabola

Parabola intuition 2

PRACTICE PROBLEMS
Make one parabola overlap with another by adjusting the focus coordinates and directrix.

Parabola intuition 3

PRACTICE PROBLEMS
Make one parabola overlap with another by adjusting the focus coordinates and directrix. Find the equation of the parabola.