Thursday, May 23, 2013

Madison and Brandons Unit 3 Day 4 Blog(Trigonometry)

Unit 3, Day 4: Objective: Linear inequality review.

Define: A linear inequality is almost the same as a linear equation, except the equals sign is replaced with an inequality symbol.




     




This picture represents a linear inequality that x-2y is greater than 2. Since the symbol is just greater than and not greater than or equal to, the line is dashed.                





This picture represents a linear inequality that y is greater than or equal to -x. Since the symbol is greater than or equal to and not just greater than, the line is solid.

Quiz:




Answer Key:



 

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