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Mathematics 21 Online
OpenStudy (mathhelp346):

Please help!!: Find the zeros of each polynomial function. Check by graphing. y=x^2-2x-15

OpenStudy (mathhelp346):

i think the zeros are -3 and 5, but my teacher said something about four points, so i also have (1,-16)<-vertex, (0,-3), (0,5), and (0,-15)

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