Question 165379
Find the variation constant and an equation of variation where y varies directly as x and y=20 when x=4. The variation constant is k= ___ and the equation of variation is y=____
:
Find k, when x = 4 and y = 2-
kx = y
4k = 20
k = {{{20/4}}}
k = 5
:
Equation: y = 5x