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OpenStudy (anonymous):
1) y varies directly with x. If y = -4 when x = 2, find y when x = -6.
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OpenStudy (solomonzelman):
first, y = -4 when x = 2, so 4=k2 (k is a symbol for variation) solve for k, and plug the result for k into y=k(-6)
OpenStudy (solomonzelman):
I'll give you another example if you don't get this, OK?
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