please please please help!!!

Chelsea is trying to find the equation of a quadratic that has a focus of (1, 3) and a directrix of y = −3. Describe to Chelsea your preferred method for deriving the equation. Make sure you use Chelsea's situation as a model to help her understand.

Question

please please please help!!! 

 Chelsea is trying to find the equation of a quadratic that has a focus of (1, 3) and a directrix of y = −3. Describe to Chelsea your preferred method for deriving the equation. Make sure you use Chelsea's situation as a model to help her understand.

anonymous · Answer

@tkhunny @Preetha

tkhunny · Answer

You can always use the definition.
Or, you can use the Vertex Definition.

anonymous · Answer

I just dont understand how to use it at all

tkhunny · Answer

Then you cannot solve this problem.

Do you know the definition?

Parabola: Locus of points Equidistant from from a point (focus) and a line (directrix).

Use that.