Raymond B. answered • 04/23/21
Tutor
5
(2)
Math, microeconomics or criminal justice
y=kx
9=k(-15)
k =-9/15 = -3/5
y=-3x/5
y=-3(21)/5 = -63/5 = -12.6 = -12 3/5
Judy T.
asked • 04/23/21if y varies directly as x and y = 9 when x = -15 find y when x = 21
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Judy T.
teacher said answer incorrect04/25/21