Arithmetic and geometric sequences, sigma notation, the series formulae, and when an infinite geometric series converges.
4 free units in this chapter
An arithmetic sequence adds a constant difference each time — the Grade 12 workhorse.
About 3 minA geometric sequence multiplies by a constant ratio, producing rapid growth or decay.
About 3 minSigma notation is compact shorthand for a sum, and reading it correctly is half the battle.
About 3 minSome infinite geometric series settle on a finite total; others grow without limit.
About 3 min