SOLUTION: What is the x coordinate of the vertex? y = -x2 + 4x - 2

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Question 650250: What is the x coordinate of the vertex?
y = -x2 + 4x - 2

Answer by sheldonbbtrocks(115) About Me  (Show Source):
You can put this solution on YOUR website!
First we need to label the problem's a, b, and c.
-1=a, 4=b, and -2=c
Now we use the vertex formula: -b%2F2a to find the x coordinate of the vertex:
Plug in the variables: -4%2F2%28-2%29
-4%2F-4}
The reduced form of -4%2F-4 is 1
So, the x coordinate of the vertex is (1,0)