The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference.
2 answers:
Answer:
d = 2.
Step-by-step explanation:
First term = -5
10th term = -5 + 9d where d is the common difference, so
-5 + 9d = 13
9d = 18
d = 2.
Answer:
2
Step-by-step explanation:
If the common difference is d we can write:
-5 + 9d = 13
9d = 18
d = 2
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