The graph of a quadratic equation opens down when the value of abc is negative

asked Oct 19, 2018 37.9k views

4 votes

by Lidqy

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6 votes

If a is negative it will have a max vertex and an open down graph and when you have a positive a your graph will open up

Andrewmabbott answered Oct 22, 2018

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4 votes

If the coefficient of x^2 is negative than it will open down. If the coefficient of x^2 is positive it will open up.

Matthew Cole answered Oct 23, 2018

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