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OpenStudy (anonymous):
help... I need to solve... vertex: (-2,5) Point: (0,9) The formula is f(x) a=(x-h)^+K... I get a= -1
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OpenStudy (anonymous):
a=(x-h)^+K?? x-h power of what? i guess it is 2
OpenStudy (anonymous):
2
OpenStudy (anonymous):
that is an equation of a parabola
OpenStudy (anonymous):
i guess the write equation is f(x) = a(x-h)^2 +k
OpenStudy (anonymous):
h = -2, k = 5, x = 0, f(x) =9
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OpenStudy (anonymous):
a = 1
OpenStudy (anonymous):
okay I know what I did wrong. Thanks for your help
OpenStudy (anonymous):
you're welcome
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