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Mathematics 21 Online
OpenStudy (anonymous):

solve the system of inequalities by graphing y>-2x-4, y<1/3x-1

OpenStudy (anonymous):

graph the lines y=-2x-4 and y=1/3x-1 first. The way to think about the shading for inequalities is that if the equation is y> something then you want to shade everything above. If it is y< something then you want to shade everything below. Where you have double shading is where the solutions are.

OpenStudy (aripotta):

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