Can you simplify $(-6,-36)$ to $(-1,-6)$ if the first coordinate is the min value of a quadratic graph. The equation is $y = x^2 + 12x$.
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No, these are two different points in the (Cartesian) plane. If you draw this graph, you will see that the minimum value is attended at $(-6,-36)$ and the point $(-1,-6)$ is not even on the graph.
Ludolila
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Thank you very much it has helped me a lot – Whos Dench Sep 20 '14 at 12:28
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You're welcome =) – Ludolila Sep 20 '14 at 12:32
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BTW what is the Cartesian plane? – Whos Dench Sep 20 '14 at 12:42
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It's the standard coordinate system http://en.wikipedia.org/wiki/Cartesian_coordinate_system – Ludolila Sep 20 '14 at 18:12
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Cheers for all your help :) – Whos Dench Sep 21 '14 at 07:59
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@WhosDench - The origin of Cartesian coordinates – Steven Alexis Gregory Oct 23 '16 at 10:02