Solve for y
y=\frac{x^{2}}{4}
x\geq 0
Solve for x (complex solution)
x=2\sqrt{y}
Solve for y (complex solution)
y=\frac{x^{2}}{4}
arg(x)<\pi \text{ or }x=0
Solve for x
x=2\sqrt{y}
y\geq 0
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\frac{2\sqrt{y}}{2}=\frac{x}{2}
Divide both sides by 2.
\sqrt{y}=\frac{x}{2}
Dividing by 2 undoes the multiplication by 2.
y=\frac{x^{2}}{4}
Square both sides of the equation.
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