Question

Please hurry! What is believed that all graphs need?

Answer 1

x and y coordinates. hope it helped

Answer 2

All graph must have coordinates and labeled axes.

On a Cartesian coordinate plane, we all know it needs (x, y). 

For example, on a polar coordinate plane, we know it has r and the angle for coordinates.

You also need labeled axes such as x and y, and r and angle measure.