1.

The equation of the ellipse that has a center at (10, 2), a focus at (13, 2), and a vertex at (15, 2) is (x - C)2 (y - D)z + = 1, A2 B2 where A = B = C = D =1 Find the equation for the parabola that has its vertex at the origin and has directrl'x at a: = . ll]