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katlin95
 2 years ago
If y varies directly as x, find the constant of variation if y = 12 when x = 1/3
A. 36
B. 4
C. 6
D. 12
katlin95
 2 years ago
If y varies directly as x, find the constant of variation if y = 12 when x = 1/3 A. 36 B. 4 C. 6 D. 12

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katlin95
 2 years ago
Best ResponseYou've already chosen the best response.1@jim_thompson5910 a little confused on this?

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1y = kx .. because "y varies directly as x" 12 = k*(1/3) ... plug in the given values solve for k

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1you do NOT do 12*(1/3) or 12/3

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1you have multiplication of 1/3 on the right side so you to undo this, you multiply both sides by 3
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