# What is the standard form of the equation of the parabola with a directrix at x=-5 and a focus at (-7,-5)?

##### 1 Answer

Oct 31, 2017

The equation of the parabola is

#### Explanation:

Any point

Therefore,

Squaring and developing the

The equation of the parabola is

graph{((y+5)^2+4x+24)((x+7)^2+(y+5)^2-0.03)(y-100(x+5))=0 [-17.68, 4.83, -9.325, 1.925]}