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Find the 15th term of the arithmetic sequence. a+1, 2a+1, 3a+1 a. a+15 b. 15a+15 c. 15a + 1 d. 14a+14

Find the 15th term of the arithmetic sequence. a+1, 2a+1, 3a+1 a. a+15 b. 15a+15 c. 15a + 1 d. 14a+14
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2 votes
Find the 15th term of the arithmetic sequence.

a+1, 2a+1, 3a+1
a. a+15
b. 15a+15
c. 15a + 1
d. 14a+14

asked
User Ijoseph
by
8.6k points

2 Answers

3 votes
The answer is
c. 15a + 1
answered
User Chpn Dave
by
8.6k points
5 votes
It's all about matching patterns.

The coefficient of "a" in the given sequence is the term number (1, 2, 3, ...) and the constant remains constant at 1. Thus the 15th term can be expected to be ...
c. 15a + 1
answered
User Amin SCO
by
8.2k points
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