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..

Answer 1

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

Answer 2

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

Answer 3

so they want us to solve for Y

Answer 4

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

Answer 5

I dont get where the sqrt came in