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OpenStudy (anonymous):
true or false? y varies directly with x and y and y=-9 when x=3. when y+27, the value of x =9. a. true b. false
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OpenStudy (anonymous):
In direct variation, y = kx. Plug it in. -9 = 3k -3 = k Plug again to check. 27 = 9k 27 = 9(-3) 27 = -27 The statement is false.
OpenStudy (anonymous):
I agree with Kdwndr
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