Choose the one alternative that best completes the statement or answers the question.
Determine whether the sequence is geometric. If so, find the value of r.
-2, -6, 18, -54, . . .
A) geometric; r = -8
B) geometric; r = 2
C) not geometric
D) geometric; r = -3

Question

Quizplus · Accepted Answer

The sequence is geometric because each term is multiplied by -3 to get the next term (2 * -3 = -6, -6 * -3 = 18, 18 * -3 = -54).

Choose the One Alternative That Best Completes the Statement or Answers