AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!
SAT Math Sequence formulas for sequence Questions
| 800359374 | arithmetic sequence | An= A1 +(n-1)d | |
| 800359375 | sum arithmetic sequence | Sn= n(A1 + An) ____________ 2 | |
| 800359376 | geometric sequence | An= A1 x r ^ n-1 | |
| 800359377 | sum geometric sequence | Sn= A1 ( 1- r ^n) ____________ r-1 |
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