4.03 Quiz Geometric Sequences

Question: Enter the explicit rule for the geometric sequence.

9,6,4,8/3 ,…

Answer: an= 2^n-1 3^3-n

Question: Enter a recursive rule for the geometric sequence.

6, −18, 54, −162, …

Answer: a1= 6 ; an= -3a↓n-1

Question: The recursive rule for a geometric sequence is given.

a1=6;an=1/4an−1

Answer: an= 6(1/4)^n-1

Question: The explicit rule for a sequence is given.

an=1/2(4/3)^n−1

Answer: a1= 1/2 ; an= 4/3a↓n-1

Question:

Answer: an= 500,000(1.1)n−1