Sangeetha Pulapaka
1

Step 1: Remember what is a vertex of a parabola.

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An axis of symmetry is the line that divides the parabola into two congruent halves, and also passes through its vertex.


Step 2: Remember how to plot  a parabola

Plot the parabola y = x^{2} - 2x



The axis of symmetry is at x = 1.