Write an equation of the parabola with focus (0,4) and its vertex at
the origin.

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Find the roots of the equation below. x^2 - 6 + 9 = 0

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1