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If y varies inversely as x, find the constant of variation if y = 14 when x = 8.
A. 112
B. 2
C. 7/4
D. 7
 2 years ago
 2 years ago
If y varies inversely as x, find the constant of variation if y = 14 when x = 8. A. 112 B. 2 C. 7/4 D. 7
 2 years ago
 2 years ago

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MertsjBest ResponseYou've already chosen the best response.1
Plug in the given y and x values and find k which is the constant of variation.
 2 years ago

MertsjBest ResponseYou've already chosen the best response.1
Did you see the equation I wrote?
 2 years ago

hugsandkissesBest ResponseYou've already chosen the best response.0
yes I did so it would be 14=k/8
 2 years ago

MertsjBest ResponseYou've already chosen the best response.1
Now solve that for k by multiplying both sides by 8
 2 years ago

MertsjBest ResponseYou've already chosen the best response.1
\[14(8)=\frac{k}{8}(8)\]
 2 years ago

hugsandkissesBest ResponseYou've already chosen the best response.0
Ohh, I see! Thanks for taking the time to explain that!
 2 years ago

MertsjBest ResponseYou've already chosen the best response.1
That's why you multiply both sides by 8...so that the 8"s on the right will cancel.
 2 years ago

hugsandkissesBest ResponseYou've already chosen the best response.0
I see, Thanks so much!
 2 years ago
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