SOLUTION: jim claims that the graph of y=ax2+bx=c opens downward. When is this statement true?

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Question 348871: jim claims that the graph of y=ax2+bx=c opens downward. When is this statement true?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The sign of a controls the opening direction.
If a%3E0, the parabola opens upwards.
If a%3C0, the parabola opens downwards.