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OpenStudy (anonymous):
What is the vertex of the parabola given by the equation y = 9(x + 4)^2 – 3?
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OpenStudy (anonymous):
You could type that in www.wolframalpha.com. It's a calculator that you could use for that and it'll say what the vertex is.
OpenStudy (anonymous):
thanks
OpenStudy (precal):
|dw:1340833627934:dw| (4, -3) is your vertex
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