Question 288672
Since we can write {{{y=x^2/780}}} as {{{y=(1/780)x^2}}} which is the form {{{y=ax^2+bx+c}}} (a parabola), this means that {{{y=x^2/780}}} is a parabola.



Graph it to get:


{{{ graph( 500, 500, -20, 20, -5, 5, (1/780)*x^2) }}} 


Take note that the scale of the x and y axes are not equal. I did this to show what the graph looked like. In a normal setting, you probably won't see the graph.