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# help

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Which equation can be simplified to find the inverse of y = x2 – 7?

Apr 10, 2020
edited by izzy024  Apr 10, 2020

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This is the 4th time this quaestion has been posted. Please don't keep posting the qustion if it is not answered. Don't swarm the the forum.

Apr 10, 2020
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Which equation can be simplified to find the inverse of y = x2 – 7?

Hello izzy024!

$$y = x^2 – 7\ ⇒$$ $$x=y^2-7$$

$$x=y^2-7\\ y^2=x+7$$

$$y=\pm\sqrt{x+7}$$

!

Apr 10, 2020