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OpenStudy (anonymous):
what does y=-x mean
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OpenStudy (anonymous):
it means a line which contain points like(1,-1),(2,-2) and so on......
OpenStudy (anonymous):
You are free to choose any x you want. Once you choose an x, y is completely determined. For instance, if I choose x=3. Then y=-3. The collection of all possible choices of x (and thus y) forms a straight line, through the origin, with a slope of -1. |dw:1344808876636:dw|
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