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Solving Quadratic Inequalities: Worked Examples        

Example 1.    Solve           

Get one side equal to zero:        

Factor the quadratic:                

Find the critical numbers:         

Create a sign chart:                                   

Determine the solution interval:           

Example 2.    Solve           

Get one side equal to zero:        

Factor the quadratic:                

Find the critical numbers:          

Create a sign chart:                                   

Determine the solution interval:           

Example 3.    Solve           

Example 4.    Solve           

Example 5.    Solve           

Example 6.    Solve           

Example 7.    Solve           

Example 8.    Solve           

Example 9.    Solve           

Example 10.  Solve        

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