SOLUTION: which is an equation of the axis of symmetry of the grapd y=x^2-4x+1?

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Question 77256: which is an equation of the axis of symmetry of the grapd y=x^2-4x+1?
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

This can be solved by completing the square (add 4 and subtract 4)


The axis of symmetry is halfway between the 2 roots (where y = 0)
What values of x makes y = 0?
make y = 0
To find the point halfway between
and

add them and divide by 2
The answer is x = 2
That is the equation of the line

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