M.1HS.21
Write arithmetic and geometric sequences both recursively and with an explicit formula, use them to model situations, and translate between the two forms.
Example Problems
Find the sum:
Find the fourth term in the sequence.
Find the 8th term in the sequence.
Khan Academy ResourcesIntro to arithmetic sequence formulasArithmetic sequences reviewExplicit formulas for arithmetic sequencesGeometric sequences reviewConverting recursive & explicit forms of arithmetic sequencesRecursive formulas for arithmetic sequencesUse arithmetic sequence formulasUse geometric sequence formulasRecursive formulas for arithmetic sequencesConverting recursive & explicit forms of arithmetic sequencesRecursive formulas for geometric sequencesEvaluate sequences in recursive formExplicit formulas for geometric sequencesConverting recursive & explicit forms of geometric sequencesExplicit formulas for arithmetic sequencesSequences and domainIntro to arithmetic sequencesSequences introSequences and domainExplicit & recursive formulas for geometric sequencesUsing recursive formulas of geometric sequencesWorked example: using recursive formula for arithmetic sequenceConverting recursive & explicit forms of arithmetic sequencesUsing arithmetic sequences formulasUsing explicit formulas of geometric sequencesEvaluating sequences in recursive formConverting recursive & explicit forms of geometric sequencesExplicit formulas for arithmetic sequencesRecursive formulas for arithmetic sequences
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