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Mathematics 16 Online
OpenStudy (anonymous):

one of the roots of the equation x^2 + kx -6 = 0 is 3, and k is a constant. The value of k is ?

OpenStudy (anonymous):

can any one explain me how to solve ??

OpenStudy (anonymous):

Sure

OpenStudy (anonymous):

ya tank u

OpenStudy (slaaibak):

If 3 is a root, it means: 3^2 + k * 3 - 6 = 0 now just solve for k.

OpenStudy (slaaibak):

9 + 3k - 6 = 0 take it from there

OpenStudy (anonymous):

ok got it :) tax a lot

OpenStudy (anonymous):

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