1. The problem statement, all variables and given/known data 2. Relevant equations 3. The attempt at a solution First I found the equivalent resistance since the 3 ohm resistor and 6 ohm resistor are in series. 9ohm. Then I did chose the node where the arrow points to as Voc, which is also va. KVL: (va+24V)/9ohm=1.33va I get va to be 2.18 Then looking for Isc, I close the output terminals and then do kcl again on the node on top of the voltage controlled current source 1.33va-isc-24V/9ohm=0 and get isc=0.23 so Rt=2.18/0.23=9.47 The book says isc=.24 and Rt=-3 I don't know what I'm doing wrong.