Inverse Variation ???

Algebra
Tutor: None Selected Time limit: 1 Day

Suppose that x and y vary inversely. x = -4/15 when y = -105. Write function that models the inverse variation. Then, find y when x = 10. Write answer as a decimal and round to the nearest tenth, if necessary.

y = __?__ when x = 10.

Jun 30th, 2015

-105 = k / (-4/15) 

so -105 = -15k/4

-4/15     -105

10            x

x/-105 = -15/4/10

x = 2.8

  

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 30th, 2015

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