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rn2011sh rn2011sh
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11 years ago
I need to find the maximum point of  y= -0.492x^2 + 1.8058 +9
Therfore i think i have to put it in vertex form? i'm not sure. HELP. Frowning Face
Yeah i know how to put an equation in vertext form, but i'm just having problems with this equation. How do i solve THIS equation?
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rknickerrknicker
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11 years ago
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#2
11 years ago
diff(-.492*x^2+1.8058*x+9, x) = -  0.984*x + 1.8058

solve(-.984*x+1.8058)

 x = 1.835162602

f(x):=(-0.492 x^2 + 1.8058*x +9)

f(1.835162602) = 10.65696831

Maximum = Vertex = (1.835162602, 10.65696831)
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