1.Which of the following sequences is not a geometric sequence? 50, 25, 12.5, 6.25, …
6, -12, 24, -48, …
0, 2, 4, 6, …
-1, -3, -9, -27, …
2.Which of the following sequences is not a geometric sequence?
50, 25, 12.5, 6.25, …
6, -12, 24, -48, …
0, 2, 4, 6, …
-1, -3, -9, -27, …
3.A sequence has a second term of -4 and a common ratio of 4. What is the fifth term?
64
256
-64
-256