# Algebra

posted by
**Bree**
.

Write your answer in the form Ax^2+Cy^2+Dx+Ey+F=0.

A parabola with vertex (2,-1) opens right with a focal length "p" of 3.

I don't understand, please help!

posted by
**Bree**
.

Write your answer in the form Ax^2+Cy^2+Dx+Ey+F=0.

A parabola with vertex (2,-1) opens right with a focal length "p" of 3.

I don't understand, please help!