Therefore y 6x is the direct variation equation When x 4 y 6 4 24. 24 k 3 Solve for k. Y k x.
Y kx where k is the constant of variation and k 0 y kxz represents joint variation.
Direct variation problems are solved using the equation y kx. Given that x and y vary directly write the equation relating x and y if x 3 when y 24. Click to see full answer. Y 1 3 12 y 4.