Math 152A

In-class Handout

Section 2.5-2.6 Linear Inequalities

 

 

 

Interval Notation:  Assume a and b are real numbers and a<b.

 

 

 

 

Set Notation

Graph

Interval Notation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Addition Property of INEQUALITY

 

 

 

 

 

 

Multiplication property of INEQUALITY

 

 

 

 

 

 

Steps to solve an INEQUALITY

1.

 

2.

 

3.

 

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5.

 

 

 

Compound Inequalities

 

Connective word “and”

 

 

 

 

Connective word “or”

 

 

 

 

Steps to solve a compound inequality

 

1.

 

 

2.

 

 

3.