Answer to Question #13435 in Analytic Geometry for kevin

Question

i cant seem to do this application type of a parabola
1.) a parabolic arch has a height of 25feet and spam of 40 feet how highis the arch 8feet each side of the center
2.) Graph and label the coordinates of the vertex,focus,endpoints of the latus rectum of the parabola : x^2-4x-2y+10=0 indicate the equation of the directrix, i cant graph this one can you show me a graph.