Can someone help me solve for Y for this equation. After i solve for Y i need to graph.

x=1\2y^2+y-2
I know that I'm supposed to add two to each side, and then complete the square on the right, but i just don't understand..

Question

Can someone help me solve for Y for this equation.  After i solve for Y i need to graph.

x=1\2y^2+y-2
I know that I'm supposed to add two to each side, and then complete the square on the right, but i just don't understand..

anonymous · Answer

$$x=\frac{ 1 }{ 2 }y ^{2}+y-2$$  This is the equation

anonymous · Answer

yes but we have intructions to put the equation
into the calcualtor

anonymous · Answer

so they want us to solve for Y

anonymous · Answer

the anser the book gives me is $$-1+-\sqrt{2(x+2.5)}$$

anonymous · Answer

I dont get where the sqrt came in

anonymous · Answer

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