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OpenStudy (anonymous):
Find the parabola Y = -2x² + 12x -13
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OpenStudy (precal):
do you mean graph it?
OpenStudy (precal):
concaves down due to negative sign
OpenStudy (anonymous):
not sure it is on a quiz?
OpenStudy (precal):
crosses -13 on y axis
OpenStudy (anonymous):
it says find the vertex of the parbola
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OpenStudy (precal):
Do you have a graphing calculator?
OpenStudy (precal):
|dw:1331434678841:dw| your vertex is a maximum
OpenStudy (anonymous):
I found a calculator on the internet but never used it for graphing
OpenStudy (anonymous):
okay
OpenStudy (precal):
so you do not own a graphing calculator?
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OpenStudy (anonymous):
I can try this one I found on internet I am pulling it up now
OpenStudy (precal):
|dw:1331434809888:dw|
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