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Find the equation of the axis of symmetry: f(x)=3(x-9)^2+2 Answers: A. x=9 B. x=-2 C. x=2 D. x=-9 and E. None of the Above
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Hint: The axis of symmetry of \[\Large y = a(x-h)^2 + k\] is \[\Large x = h\]
i don't know what to do with that hint?
Example: The equation \[\Large y = 5(x-2)^2 + 14\] is in the form \[\Large y = a(x-h)^2 + k\] So we see that a = 5, h = 2 and k = 14 So the axis of symmetry of \[\Large y = 5(x-2)^2 + 14\] is \[\Large x = 2\]
okay i got it now. Thank you.
you're welcome
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