EducationWhere do I shade?
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This flowchart will help you figure out where to shade a parabola when solving a quadratic inequality.

                 
When you use (0,0) as your testing point, did you get an inequality statement? (ex. 0 < 3)
YES
Is your statement true?
YES
Is the origin inside the parabola?
NO
Shade outside the parabola!
 

NO


NO


YES




Go back to your quadratic equation and Plug 0 in for y and 0 in for each x!
Is the origin outside the parabola?
YES
Shade inside the parabola
 
 



NO






 
Shade outside the parabola!