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A parabola opening up or down has vertex (0,0) and passes through (–20,20). Write its equation in vertex form.

A parabola opening up or down has vertex (0,0) and passes through (–20,20). Write its equation in vertex form.
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4 votes
A parabola opening up or down has vertex (0,0) and passes through (–20,20). Write its equation in vertex form.

User JP Moresmau
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1 Answer

5 votes
the equation for the parabola in vertex form is y = (1/20)x^2

Since the coefficient "a" is positive, the parabola opens upwards.
User Brian Nezhad
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