3 years ago

charla wants to determine the vertex of the function f(x)=x^2-18x+60 by changing the function into vertex form.

Mathematics

1 answer:

Vlad1618 [11]3 years ago

7 0

$x^2-18x+60 =\\
x^2-18x+81-21=\\
(x-9)^2-21$

The vertex is $(9,-21)$

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