Question

What is the equation of the line that passes through the point (3,-5) and has a
slope of ?

Answer 1

You didn't provide the slope, but the generic equation is

$y-y_0=m(x-x_0)$

In your case, $(x_0,y_0)=(3,-5)$, so we have

$y+5=m(x-3)$

Substitute $m$ with the slope you want and you have the equation of the line