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OpenStudy (anonymous):
find a so that the point (-1,2) is on the graph of f(x)=ax^2+5
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OpenStudy (anonymous):
f(x) be y. Sub (-1,2) to equation. 2=a(-1)^2+5 2=a+5 a=2-5 a=-3
OpenStudy (anonymous):
thank you so much!! I feel really dumb right about now!
OpenStudy (anonymous):
Welcome! It's okay! Goodluck!:)
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