Question

Variable y varies directly with variable x, and y = 18 when x = 4.

What is the constant of variation in decimal form?

Answer 1

do you know the equation for direct variation ??

Answer 2

sorry im not good with math :P

Answer 3

\[\huge\rm y = kx\] this is equation for direct variation
now replace x and y by their values then solve for k
k is constant of variation

Answer 4

let me know what you get ??