1300_Sec_17

1300_Sec_17 - Math 1300 Section 1.7 Solving Linear...

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1 Math 1300 Section 1.7 Solving Linear Inequalities An inequality is a mathematical sentence, except instead of an equal sign “=” you find one of the following signs: <, , >, or . The symbols > and < are called “strict inequalities,” and and are inequalities that include equals (read these last two signs as ‘greater than or equal to’ and ‘less than or equal to,’ respectively). A linear equation (Section 1.6) has one, none, or many solutions. A linear inequality has a solution that is an interval of the real number line and the answers can be written in what is called interval notation . This ensures that you have the complete answer. In this section, we will only be concerned with real number solutions. Interval Notation: Inequality Interval Notation < x A ( 29 A , - The rounded bracket means that A is not included x A ( ] A , - The square bracket means that A is included x B ( 29 , B x B [ 29 , B < < A x B ( 29 B A , A x B

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This note was uploaded on 02/22/2012 for the course MATH 1300 taught by Professor Staff during the Spring '08 term at University of Houston.

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1300_Sec_17 - Math 1300 Section 1.7 Solving Linear...

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