Practice Test 5 – Matrices - Chipola College

Arithmetic Sequences. Given a1 = 5 and d = -3, find the first four terms of the arithmetic sequence. Given the sequence 3, 6, 9, 12, . . . . write the formula for the nth term. Find a18 in the sequence in exercise 25. Find the sum of the first 10 terms of the arithmetic sequence if a1 = -1 and d = 3. Evaluate the following: 28. 29. 30. ................
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