Question 750560

you have a parabola {{{y=ax^2}}} with a vertex at origin. From the graph I can see that if {{{x=-1}}} => {{{y=4}}} and if {{{x=1}}} => {{{y=4}}}, then you have

{{{y=4x^2}}}

{{{ graph( 600,600, -10, 10, -10, 10, 4x^2) }}}