Chapter 2
Forgotten but Not Gone: Review of Algebra and Pre-Calculus
IN THIS CHAPTER
Recalling basic operations with fractions
Making sense of exponents of 0, negative numbers, and fractions
Graphing common continuous functions and their transformations
Remembering trig identities
Playing with polar coordinates
Working with sigma summation notation
Remember Charles Dickens’s A Christmas Carol? You know, Scrooge and those ghosts from the past. Math can be just like that story: All the stuff you thought was dead and buried for years suddenly pays a spooky visit when you least expect it.
This quick review is designed to save you from any unnecessary sleepless nights. Before you proceed any further on your calculus quest, make sure that you’re on good terms with the information in this chapter.
First, I cover a few pre-algebra topics, plus some algebra: working with fractions, factorials, ...
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