Homework Statement
Determine the possible values that y can take for the graph y=x+2/3-x^2
Homework Equations
N/A
The Attempt at a Solution
y=k
k(3-x^2)=x+2
3k-kx^2=x+2
-kx^2+3k-x-2=0
I've tried factorising my k terms and much more faffing about to no avail...help please? :s
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