Question

determine the gragh of y=x^2-6x+3 has a maximun or minimum point then find the max or min point value. I think my is correct (-6,3) am I right

Answer 1

\[y'=2x-6\]
put y'=0
x=3
\[y''=2>0\]\[y(3)=9-18+3=-6\]
so (3,-6) is minimum value.