Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$y= \sqrt{ x+2 }$$

Answer

$$x=y^2-2$$

Solution


Did you want to graph this instead?
Square both sides.
\[{y}^{2}=x+2\]
Subtract \(2\) from both sides.
\[{y}^{2}-2=x\]
Switch sides.
\[x={y}^{2}-2\]
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