SOLUTION: 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=____.

Algebra ->  Expressions-with-variables -> SOLUTION: 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=____.      Log On


   



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=____.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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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%2F4
k = 5
:
Equation: y = 5x