SOLUTION: Take quadratic function 3x^2+6x+6 and find coordinates of vertex (h, k). Will it be maximum of the function?
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Question 668919: Take quadratic function 3x^2+6x+6 and find coordinates of vertex (h, k). Will it be maximum of the function?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
and find coordinates of vertex (, ).
if , then ...=>..
so,
if , then ...use quadratic formula to solve for
....as you can see we have a complex solutions for which means there is no
so,
or
where real part is which is our
so,
then, plug it in to find
the vertex is at (,)
from the graph you can see that this function has a minimum, and vertex is at (,)
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