Mathematics (US) - 0444 CIE

Sequences And Nth Term

Bayani Gaba-gaba

A sequence is a list of numbers that follows a rule. Spot the rule and you can predict any term you like, even the hundredth, without writing out all the ones before it. The nth-term formula is the compact piece of algebra that captures that rule and unlocks the whole pattern.

In this lesson you will continue sequences, recognize their patterns, and find the nth term of linear sequences and simple quadratic sequences. The nth term is a powerful shortcut: one formula generates every term and answers any question about the sequence at once.

Manufura

  1. Continue sequences, recognize patterns, and find and use the nth term of linear and simple quadratic sequences.

Darasin Sauti

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Yi atisayen wadannan katuna a cikin manhaja

Takardar Darasi

Patterns are everywhere, from seating in rows to growth over time, and a sequence is the mathematics of a pattern. Finding the nth term turns a list of numbers into a rule you can use to leap straight to any term, which is the foundation for series and many modelling problems later on.

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Nazarin Darasi

Barka da kammala darasi akan Sequences And Nth Term. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. What is the nth term of 5, 8, 11, 14, ...? A. 3n B. 3n + 2 C. 3n + 5 D. 5n + 3 Answer: B
  2. Using the nth term 3n + 2, what is the 50th term? A. 150 B. 152 C. 155 D. 102 Answer: B
  3. What is the nth term of 3, 6, 11, 18, ...? A. n^2 B. n^2 + 2 C. 2n + 1 D. 3n Answer: B
  4. A sequence has a constant second difference. The sequence is: A. Linear B. Quadratic C. Constant D. Random Answer: B
  5. What is the next term in 5, 8, 11, 14, ...? A. 15 B. 16 C. 17 D. 18 Answer: C

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Yi aikin wadannan tambayoyi a cikin manhaja

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