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Identify whether the following quadratic opens upward or downward function. y=-2x2 + 8x - 9

Identify whether the following quadratic opens upward or downward function. y=-2x2 + 8x - 9
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8 votes
Identify whether the following

quadratic opens upward or downward
function.
y=-2x2 + 8x - 9

User Beat
by
8.5k points

1 Answer

5 votes
It opens downwards so it looks like this “n”. That is because a in the formula is a negative number in this situation
User MrPatol
by
8.1k points
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