8. [0.75/1 Points] DETAILS PREVIOUS ANSWERS SPRECALC7 11.1.024.MI. An equation of a parabola is given. 8x2 + 20y = 0 (a) Find the focus, directrix, and focal diameter of the parabola. focus (x, y) = 0, - directrix y = focal diameter9. [0.5/1 Points] DETAILS PREVIOUS ANSWERS SPRECALC7 11.1.011. An equation of a parabola is given. (a) Find the focus, directrix, and focal diameter of the parabola. focus ( x, y ) = 0,1 directrix y focal diameter (b) Sketch a graph of the parabola and its directrix. Graph Lay Vertica No Solution 41-F O Search Cloudy hp