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Ch 4.7  Solving Radical Inequalities (Part II) By: Jasy H, Emily L, Colleen Y
What is an Inequality? ,[object Object],Can YOU give me an example? 3 > 2 6 > 4
What is the definition for Radical Inequality? ,[object Object],What does that mean? Example :   (3x + 1) < x - 9
[object Object],Example 1  Step 1 -  Set all radicals in the inequality to zero and then solve for x.  Step 2 -  Ignore the inequality and solve as if it were “=”. These values obtained are  critical numbers . Use critical numbers to test for the inequality.
[object Object],Step 4 -  Test all the critical numbers in the original inequality to see if they are true to the inequality or not.  ,[object Object],[object Object]
[object Object],If true, check off corresponding interval.   If false, cross out corresponding interval ( DO NOT SHADE ) * Shade out quadrants that have numbers that cannot be solved when substituted into the original inequality.
[object Object]
Practice!   ,[object Object]
 
More Practice!
 

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