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Mathematics 33 Online
OpenStudy (anonymous):

Solve each equation by graphing x^2+2x-24=0

OpenStudy (phi):

Are you supposed to use a graphing calculator, or graph this by hand?

OpenStudy (anonymous):

no just graph by hand

OpenStudy (phi):

Do you know how to find the vertex?

OpenStudy (phi):

one way is use x= -b/(2a) where you match a and b to the formula ax^2+bx+c=0

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