Question

Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common

Answer 1

Answer:

B

Step-by-step explanation:

Answer 2

Answer:

a. no

Step-by-step explanation:

The sequence is arithmetic.  It has a common difference of 14.

7 + 14 = 21

21 + 14 = 35

35 + 14 = 49

A geometric series has a common ratio (multiplication).  For example:

7 × 3 = 21

21 × 3 = 63

63 × 3 = 189