SOLUTION: someone please help Find the maximum value of y= -x^2 + 6x Please show me how to do this Thanx

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Question 71554: someone please help
Find the maximum value of y= -x^2 + 6x
Please show me how to do this
Thanx
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
y=-x^2+6x
y=-3^2+6*3
y=-9+18
y=9
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-x%5E2+%2B6x%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = -x^2 +6x).