SALESBENJO65IN SALESBENJO65IN Math Answered Activity 3. Determine whether each sequence is geometric. Then find it's commonratio.1. -2,4,-8,16,..2. 1,4,9,16,...3. 1/2,1/3,1/4,1/5,...4. 4x24x4,4x5,4x8,...5. 120,60,30,15,...