The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference. (A) 1.8 (B) 2 (C) 8/9

asked Jul 12, 2021 95.3k views

1 vote

The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference.

(A) 1.8
(B) 2
(C) 8/9

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3 votes

(A) 1.8

The difference is 18, 13 is bc the tenth term so divide 18 by 10 to get 1.8

Tom Hunter answered Jul 19, 2021

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