$\displaystyle y=\sqrt{x^2-2x}$
I figure the restriction on the domain would be $\displaystyle x\geq2$ or $\displaystyle x\leq0$
$\displaystyle x = \sqrt{y^2-2y}$
$\displaystyle x^2 = y(y-2)$
It's driving me insane. How do I isolate the 'y'?!?
$\displaystyle y=\sqrt{x^2-2x}$
I figure the restriction on the domain would be $\displaystyle x\geq2$ or $\displaystyle x\leq0$
$\displaystyle x = \sqrt{y^2-2y}$
$\displaystyle x^2 = y(y-2)$
It's driving me insane. How do I isolate the 'y'?!?