If y varies inversely as x and y = 12 when x = 3, find y when x = 4. I got 12 12x3:3
I itsmelana New member Joined Jul 26, 2008 Messages 11 Aug 19, 2008 #1 If y varies inversely as x and y = 12 when x = 3, find y when x = 4. I got 12 12x3:3
skeeter Elite Member Joined Dec 15, 2005 Messages 3,218 Aug 19, 2008 #2 Re: I'm not sure this is right y varies inversely as x y = k/x , where k is the constant of proportionality y = 12 when x = 3 12 = k/3 k = 36 so, the correct inverse relationship is y = 36/x now ... what is y when x = 4?
Re: I'm not sure this is right y varies inversely as x y = k/x , where k is the constant of proportionality y = 12 when x = 3 12 = k/3 k = 36 so, the correct inverse relationship is y = 36/x now ... what is y when x = 4?