Question

if x and y vary directly x=6 , y= 2 . the value of k constant of variation is -a)3 b) 12 c)1/3 d) 1/12

Answer 1

Answer:

a) 3

Step-by-step explanation:

$x \: \: \alpha\: y \\ \frac{x}{y} = k \: (a \: constant) \\ \frac{6}{2} = k \\ k = 3$