The x-value of the vertex is option (A) 1
What is vertex?
A vertex (or node) of a graph is one of the objects that are connected together.
What is quadratic equation?
In algebra, a quadratic equation is any equation that can be rearranged in standard form as [tex]ax^{2} +bx+c=0[/tex]
Given,
[tex]y=x^{2} -2x+1[/tex]
a= 1, b= -2, c= 1
Calculate -b/2a
x-coordinate of the vertex = [tex]\frac{-b}{2a}[/tex]
[tex]=\frac{2}{(2)(1)} =1[/tex]
Hence, the x-value of the vertex is option (A) 1
Learn more about vertex and quadratic equation here
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