### Home > PC3 > Chapter 10 > Lesson 10.1.5 > Problem10-96

10-96.

Write the equation of a parabola that is the set of all points equidistant from the focus $(−3, 1)$ and the directrix $x = −1$.

A parabola is the set of all points equidistant from the focus and the directrix.
Write two expressions for these distances and set them equal to each other.

Review the homework help for problem 10-77.