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Trigonometry 10 Online
OpenStudy (anonymous):

If y varies inversely as x, and y = 3 as x = -2, find y for the x-value of -1.

OpenStudy (anonymous):

The definition of inverse proportionality is the following. If y varies inversely with x, then y*x = k, a constant. So here, \[ yx = -6, \]so the constant of proportionality is -6. Can you use this to figure out what y must be if x = -1?

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