Each cable of the Golden Gate Bridge is suspended (in the shape of a parabola) between two

Question:

Each cable of the Golden Gate Bridge is suspended (in the shape of a parabola) between two towers that are 1280 meters apart. The top of each tower is 152 meters above the roadway.
The cables touch the roadway at the midpoint between the towers.
(a) Sketch the bridge on a rectangular coordinate system with the cables touching the roadway at the origin. Label the coordinates of the known points.
(b) Write an equation that models the cables.