This document contains notes from a math lesson on writing, evaluating, and finding equivalent rational expressions. It includes the homework assignment of problems 1-3 from Lesson 18, a review of Lesson 16, worked examples of combining like terms with rational expressions on pages 6-11, and closing questions about expressions and determining if they are equivalent.

1. Lesson 18.notebook
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December 02, 2014
Module 2, Lesson 18
Writing, Evaluating, and Finding
Equivalent Expressions with
Rational Numbers
12/2/14
Homework:
Lesson 18 Problem Set
#'s 1,2,3
Do Now:
Lesson 16 Exit Ticket #2

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Lesson 16 Exit Ticket

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Lesson 16 Homework Answers S.85

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S.85
Changed the sign
instead of taking
the reciprocal.

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Review:

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70 + 20x + 15y + 15z
90 + 15x + 10y + 20z
200 + 10x
S.90C

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70 + 20x + 15y + 15z 90 + 15x + 10y + 20z 200 + 10x
S.91

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S.91
70 + 20x + 15y + 15z 90 + 15x + 10y + 20z 200 + 10x

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S.91
70 + 20x + 15y + 15z 90 + 15x + 10y + 20z 200 + 10x

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S.92

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S.93

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S.93

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Closing:
· What is an expression? Describe the steps to
evaluating it.
· How do you determine if expressions are equivalent?

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