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Mathematics
OpenStudy (anonymous):

Use the quadratic formula to find the roots of the equation. x2 + 3x - 18 = 0 A. {-6, 3} B. {-2, 9} C. {-3, 6} D. {-9, 2} Use the quadratic formula to find the roots of the equation. x2 + 3x - 18 = 0 A. {-6, 3} B. {-2, 9} C. {-3, 6} D. {-9, 2} @Mathematics

OpenStudy (amistre64):

-3/2 is the axis of symmetry ... so the mean of the results should at least center on it

OpenStudy (amistre64):

a looks good to me

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