Sagot :
Assume y varies inversely as x.
5. y = 9 when x = 6. Find y when x = 2.
y = k/x
9 = k/6
9(6) = k
k = 54
y = k/x
y = 54/2
y = 27
6. y = 4 when x = 6. Find y when x = 12.
y = k/x
4 = k/6
4(6) = k
k = 24
y = k/x
y = 24/12
y = 2
y = k/x
9 = k/6
9(6) = k
k = 54
y = k/x
y = 54/2
y = 27
y = k/x
4 = k/6
4(6) = k
k = 24
y = k/x
y = 24/12
y = 2