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3 years ago

12

For the function

" align="absmiddle" class="latex-formula">, what are the coordinates of the vertex?
Is it a maximum or minimum point?

Hint: consider using $x=-b/2a$ . Show all work algebraically

SERIOUS ANSWERS ONLY! NO SPAM!

1 answer:

Gre4nikov [31]3 years ago

8 0

$x_0=\dfrac{-b}{2a} =\dfrac{-4}{2\times(-2)}=1\\y_0=-2\times1^2+4\times1+1=-2+4+1=3\\Answer: The\: vertex\: is \:(1;3). It's\:maximum\:point \:because \:a=-2$

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