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shannonhn
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find vertex of parabola f(x)= 5(x+20) squared. [ the (x+20) is squared. I don't know how to write that]
 2 years ago
 2 years ago
shannonhn Group Title
find vertex of parabola f(x)= 5(x+20) squared. [ the (x+20) is squared. I don't know how to write that]
 2 years ago
 2 years ago

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Benjieg6pd Group TitleBest ResponseYou've already chosen the best response.0
The vertex of a parabola in the form y = a(x  h)^2 + k is the point with coordinates (h , k) The parabola f(x)=5  (x + 20)^2 can be written in the above format as: y = (x + 20)^2 + 5 Or y = 1(x  20)^2 + 5. In this format you can see the values of the coefficients a=1, h=20, k=5. So the vertex is the point with coordinates ( 20, 5)
 2 years ago
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