What is the equation of the quadratic graph with a focus of (6, 0) and a directrix of y = −10?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)