To create y-axis symmetry, we need to use the absolute value of the input. What do you need to do to give the graph x-axis symmetry? Thank you very much
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You simply take the absolute value of y. For example, $\displaystyle y = 2x + 3$ becomes $\displaystyle |y| = 2x + 3$ and $\displaystyle x = y^2$ already has symmetry across the x-axis, since $\displaystyle |y|^2 = y^2$.
Thank you very much.
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