- #1

Lo.Lee.Ta.

- 217

- 0

For the equation of a circle with a radius of 1, the equation is:

x^2 + y^2 = 1

But if we rearrange that to be: y= √(1 - x^2),

then it's only a semicircle...

Why is that? Why is it now a semicircle just because it got rearranged?

Thanks!