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Finding the Focus & Directrix of a Parabola
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Finding the Focus & Directrix of a Parabola
1.
Finding the Focus
& Directrix of a Parabola Melody Cariaga Diana Delgado AilaFeliciano Angelica Pontejos
2.
What is a
parabola? A parabola is the set of points in the plane equally distant from a fixed line and a fixed point not on the line.
3.
Formula
4.
Parabola with vertex
at (0,0)
5.
6.
Problem no.1
7.
Problem no.1
8.
Problem no.1
9.
Problem no.1
10.
Problem no.1
11.
Problem no.1
12.
REMEMBER! If the
y is being squared, then p corresponds to the x-coordinate of the focus. If the x is being squared, then p corresponds to the y-coordinate of the focus.
13.
Problem no.1
14.
Problem no. 2
15.
Problem no. 2
16.
Problem no. 2
17.
Problem no. 2
18.
Problem no. 2
19.
Problem no. 2
20.
Problem no. 2
21.
Problem no. 2
y
22.
Parabola with vertex
at (h,k)
23.
24.
Problem no.1
25.
Problem no.1
26.
Problem no.1
27.
Problem no.1
28.
Problem no.1
29.
Problem no.1
30.
Problem no.1 y