Basics of Arithmetic Sequences and Series

Apr 9th, 2015
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Price: $5 USD

Tutor description

Ten worked examples in detail of arithmetic sequences and arithmetic series using the standard notation and formulas, Also included are arithmetic means between two numbers. A good revision for examinations.

Word Count: 271
Showing Page: 1/3
Arithmetic SequencesAnswer each of the following problems. Make sure to show your work.1) What is the d value in the following arithmetic sequence? -7, -2, 3, 8, ?2) What are the next four terms in the following arithmetic sequence? -7, -2, 3, 8, ?3) What is the 25th term in the following arithmetic sequence? -7, -2, 3, 8, ?4) Find the four arithmetic means between -21 and -36.5) Find the four arithmetic means between 100 and 135.6) What is the 20th term of the following arithmetic sequence?0.5, 1, 1.5, 2...7) Find S25 for -7+ -2 + 3 + 8 +?8) Find S25 for 0.5 + 1 + 1.5 + 2...9) Find S10 for 2 + 5 + 8 +?10) Find S10 for -1 + -7 + -13 + -19 +? (Solutions on next page)Solutions1) d = U4 - U3 = 8 -3 = 52) U5 = U4 + d = 8 + 5 = 13 U6 = U5 + d = 13 + 5 = 18U7 = U6 + d

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