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Lesson 3

1. Lesson 3

1.3. Refresher

Mathematics 20-1 Module 7

Module 7: Absolute Value and Reciprocal Functions

 

Refresher

 

This is a play button that opens “Absolute Value Equation Example 2."

Khan Academy - CC BY-NC-SA 3.0

Use “Absolute Value Equation Example 2” to work with absolute value expressions.


This is a play button that opens “Solving Two-Step Equations."

Screenshot reprinted with permission of ExploreLearning

Open “Solving Two-Step Equations” to solve and verify first-degree, single variable equations of various forms.


This is a play button that opens “Non-Linear Systems of Equations 1.”

Khan Academy - CC BY-NC-SA 3.0

Use “Non-Linear Systems of Equations 1” to review how to solve a linear-quadratic system.



Go back to the Are You Ready? section, and try the questions again. If you are still having difficulty, contact your teacher.