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seen Aug 5 '12 at 12:47

Jul
30
comment Sketching and finding the range of a parabola
@AndréNicolas Alright. I get that much. Once I find that, I can find the turning point which is -1. Then we sub -1 into original equation, so, $\text{y = -(-1)^2-2(-1)}$. Then what?
Jul
30
asked Sketching and finding the range of a parabola