Unit+4

**__Unit 4__**

In this unit, you will learn how to solve systems of equations using the following methods:
 * graphing
 * substitution
 * elimination

You will also learn how to write systems of equations as well as identify systems of linear inequalities on a coordinate plane. The following sections from the text will be covered:

Section 3.1: Solving Linear Systems by Graphing Section 3.2: Solving Linear Systems Algebraically Section 3.3: Graphing and Solvign Systems of Linear Inequalities

The following links online may help you to further understand these concepts: [] [] [] []

The following exercises should be completed:

Section 3.1, pp. 142, 143: #11, 13, 15, 21, 23, 25, 32 - 34, 41, 43 Section 3.2, pp. 152, 153: #11, 13, 15, 23, 25, 27, 35, 37, 39 Section 3.3, pp. 160: #21 - 26, 27 - 37 odd


 * Finally, here is your Unit 4 QUIZ: [[file:Unit 4 QUIZ.pdf]]**


 * PLEASE SUBMIT ALL COMPLETED WORK TO ME VIA EMAIL. **