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intro to sequences


mike mcgarry
lesson by mike mcgarry
magoosh expert

summary
understanding sequences is crucial for gre prep, focusing on their patterns, notation, and algebraic definitions to solve related problems.
  • sequences are ordered lists of numbers following identifiable patterns, essential for the gre exam.
  • notation involves representing sequences with a lowercase letter and individual terms with numerical subscripts, e.g., a sub 5 = 28.
  • algebraic formulas for sequences allow for the determination of any term in the sequence, facilitating the solving of gre questions.
  • practice problems demonstrate how to apply knowledge of sequences to find term values and differences, emphasizing the importance of understanding sequence patterns and algebraic definitions.
  • understanding basic sequence patterns and their algebraic representations is foundational for tackling gre sequence problems.
chapters
00:04
introduction to sequences
00:58
notation and representation
01:40
algebraic formulas for sequences
03:51
solving sequence problems