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anonymous
 4 years ago
Determine whether y varies directly with x. If so, find the constant of variation k and write the equation.
x 4, 7, 10, 13
y 6.4, 11.2, 16, 20.8
anonymous
 4 years ago
Determine whether y varies directly with x. If so, find the constant of variation k and write the equation. x 4, 7, 10, 13 y 6.4, 11.2, 16, 20.8

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Determine y/x for all the given values if all results are the same,then y varies directly with x your k is the result of the division and ykx

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0divide all y's by x's. I'll show you the first two: 6.4 divided by 4 = 1.6 and 11.2 divided by 7 = 1.6 If the rest equal 1.6 then y does varies with x.
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