Graphing Parabolas

Below you’ll find several common forms of the equation for a parabola. Click on the equation that best seems to match the parabolic equation you need to plot...

These parabolas open upwards or downwards

[ 1 ] y=a(x-h)²+k
[ 2 ] y=a(x-h)²
[ 3 ] y=ax²+k
[ 4 ] y=ax²

These parabolas open towards the left or right

[ 5 ] x=a(y-k)²+h
[ 6 ] x=(y-k)²

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