Asked by eric
Does the parabola open up or down?
-10m + m 2 = 21 + y
-10m + m 2 = 21 + y
Answers
Answered by
MathMate
Put it in the form:
y=ax^2+bx+c
if a>0, then it's a happy parabola (opens up)
if a<0, then it opens down (sad).
y=ax^2+bx+c
if a>0, then it's a happy parabola (opens up)
if a<0, then it opens down (sad).
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