SOLUTION: How can you tell if a parabola opens up or down from the formula only?
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Question 797230
:
How can you tell if a parabola opens up or down from the formula only?
Answer by
solver91311(24713)
(
Show Source
):
You can
put this solution on YOUR website!
Given:
opens upward
opens downward
no parabola
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
