it's y=x

^{2}+x.

i know the first step is switching y and x to get x=y

^{2}+y, but i don't know what to do afterwards to inverse it, and i am supposed to use the quardatic equation?

please help, thanks!

i'm extremely stuck on this problem.

it's y=x^{2}+x.

i know the first step is switching y and x to get x=y^{2}+y, but i don't know what to do afterwards to inverse it, and i am supposed to use the quardatic equation?

please help, thanks!

it's y=x

i know the first step is switching y and x to get x=y

please help, thanks!

- Martingale
**Posts:**350**Joined:**Mon Mar 30, 2009 1:30 pm**Location:**USA-
**Contact:**

xkiwibird wrote:i'm extremely stuck on this problem.

it's y=x^{2}+x.

i know the first step is switching y and x to get x=y^{2}+y, but i don't know what to do afterwards to inverse it, and i am supposed to use the quardatic equation?

please help, thanks!

You could try completing the square

- stapel_eliz
**Posts:**1738**Joined:**Mon Dec 08, 2008 4:22 pm-
**Contact:**

xkiwibird wrote:it's y=x^{2}+x.

... i don't know what to do afterwards to inverse it, and i am supposed to use the quardatic equation?

You have x