Given the first term and the common ratio of a geometric sequence find the explicit formula and the three terms in the sequence after the last one given. Quiz level 2 schoology quiz.
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Arithmetic sequence the difference between one term and the next is always the same.
Arithmetic and geometric series worksheet pdf. Given a term in a geometric sequence and the common ratio find the term named in the problem the explicit formula and the three terms in the sequence after the last one given. An arithmetic series is an arithmetic progression with plus signs between the terms instead of. Remediation correct mistakes on quiz and do another practice activity mr.
Arithmetic and geometric sequences and series name date period. Arithmetic and geometric series worksheet mcr3u jensen general formula for an arithmetic series. Level 2 arithmetic geometric sequences 4.
3 worksheet by kuta software llc determine if the sequence is geometric. This difference is called a. 49 a 1 4 r 4 50 a 1 2 r 4.
Given the explicit formula for a geometric sequence find the term named in the problem. Sieling s signature pre quiz score 5 score 5 level 4 score 3 4 level 3 score 0 1 2 level 2 level 2 quiz score. 1 find the designated sum of the arithmetic series a.
If it is find the common ratio. 13 a 2 12 r 3 find a 9 14 a 5 64 r 2 find a 10 given two terms in a geometric sequence find the common ratio the term named in the problem and the. Define arithmetic sequence and or geometric sequence 3.
1 find the designated sum of the arithmetic series a of 3 7 11 15 b. Of 22 20 18 16 d of 2 5 8 11 2 determine the sum of each arithmetic. The condition that s1 exists is that r is greater than 1 but less than 1 i e.
General formula for a geometric series. A sequence is a list of numbers or objects called terms in a certain order. If it is find the common difference.
1 2 12 72 432 2 1 5 25 125. Arithmetic and geometric series worksheet mcr3u jensen general formula for an arithmetic series. Q t cm yaddpek owkigtfh i 6iyndf kirnqictoed 6atl yg 3eobdr5a4 k2b u worksheet by kuta software llc kuta software infinite algebra 2 name finite geometric series date period evaluate the related series of each sequence.
A geometric series is a geometric progression with plus signs between the terms instead of. 4 3 arithmetic and geometric sequences worksheet determine if the sequence is arithmetic. The common difference is added to each term to get the next term.
General formula for a geometric series. Arithmetic and geometric sequences. Arithmetic 16 a n 2n 2 neither 17 a n 43 7n arithmetic 18 a n n 2n neither 19 a n 3 n 1 geometric 20 a n 2 3 n 1 geometric 21 a n a n 1 6 a 1 17 arithmetic 22 a n na n 1 a 1 1 neither 23 a n a n 1 5 a 1 4 geometric 24 a n a n 1 8 a 1 17.
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