GED® Math: Substitution with and without Calc (1.MP1, Exp, # 2,7,12,16)

Algebra Essentials, Mixed Practice 1, Experienced Level, # 2,7,12,16

The skill of substitution is one of the most basic algebra skills and one that, if you master it, can really help you rack in the points on the GED Math test because it comes up in so many different contexts. In this video, Kate looks at four example of those contexts. Evaluating expressions, also called finding the value of an expression with known variables; evaluating functions, and checking solutions to equations.

0:28 # 2 (substitution by hand)
5:24 # 2 (Substitution in calc)
7:59 # 7 (Substitution by hand)
10:36 # 7 (Substitution in calc)
10:56 # 12 (Substitution by hand)
14:17 # 12 (Substitution in calc)
15:15 # 16 (Substitution by hand)
20:49 # 16 (Substitution in calc)

#gedmath #evaluateexpression #substitution

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