Solve the equation for k, in terms of h.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?

What is the equation of the parabola with focus (-1,-1) and directrix y=1?