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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 ?
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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
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OpenStudy (anonymous):
ok got it :) tax a lot
OpenStudy (anonymous):
|dw:1327440974638:dw|
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