We discuss how to build a Lab Gear rectangle when parts of the side or length are negative. There are several ways, including blocks and the generic rectangle.
See how to build 2*x + 5 and 2(x+5) using Lab Gear. #11 from 1.9 in our Algebra Book
Also see how we used the Lab Gear to substitute 1 for x in #12a.
Solutions to Slope Angles (p. 10, 11) #4, 5 and diagrams for #2, 3
A very basic intro to simplifying trigonometric identities.
An example of how to graph a rational function using intercepts, asymptotes and short-run behavior around asymptotes.
Videos for the Math Department at Urban.
More stuff from “Math Department @ Urban”
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