Sequences
Muhtasari
A savings account that grows by the same amount each month, the number of tiles needed as a patio grows ring by ring, a population that doubles at fixed intervals: patterns like these are sequences, and spotting the rule behind them lets you predict any term without listing every one in between.
This topic trains you to recognise sequences built from a common difference, to recognise the handful of integer sequences that appear again and again in mathematics, and to continue any given sequence confidently, including ones where the pattern is not obvious at first glance.
Malengo
- Recognise sequences with a common difference or common integer sequences, and continue a given sequence
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Hongera kwa kukamilisha somo la Sequences. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.
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- What is the common difference of the sequence 12, 15, 18, 21? A) 2 B) 3 C) 4 D) 12 Answer: B
- Which sequence is the triangular numbers? A) 1, 2, 4, 8, 16 B) 1, 4, 9, 16, 25 C) 1, 3, 6, 10, 15 D) 2, 3, 5, 7, 11 Answer: C
- A sequence begins 2, 6, 12, 20 with second differences that are constant. What is the constant second difference? A) 1 B) 2 C) 4 D) 6 Answer: B
- The nth term of a sequence is 4n - 1. What is the 10th term? A) 35 B) 39 C) 40 D) 41 Answer: B
- In a Fibonacci-type sequence starting 2, 5, what is the fourth term? A) 7 B) 10 C) 12 D) 17 Answer: C
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Vitabu Vinavyopendekezwa
Jifunze zaidi kutoka vyanzo huria
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Sehemu ya kitabu
Arithmetic Sequences
Determine if a sequence is arithmetic
"Intermediate Algebra: Arithmetic Sequences" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/intermediate-algebra/pages/12-2-arithmetic-sequences. Access for free at https://openstax.org/books/intermediate-algebra/pages/1-introduction
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