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OpenStudy (anonymous):
Determine in which direction the parabola below opens. y = -3x2 + 5x + 11 left right up down
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OpenStudy (anonymous):
up
OpenStudy (igreen):
Down
OpenStudy (anonymous):
o.o
OpenStudy (igreen):
Here's a graph of it
OpenStudy (igreen):
You can see that it opens downward.
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