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X=(y-1)^2 +1 How do I get Y by itself?

User Charly
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1 Answer

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we have to step by step make y alone on it's side.

First, we subtract 1 from both sides:

x-1=(y-1)^2

Let's already invert the Left hand side and the right hand side:

(y-1)^2=x-1

now we need to get a square root of both sides:



(y-1)=+/- √(x-1)

and add 1:


y=+/- √(x-1)+1


User Rishabh Agrawal
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