SOLUTION: The value of k for which the system the equations x+5y=0, and 3x+ky=0 has nonzero solution ______

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Question 1165982: The value of k for which the system the equations x+5y=0, and 3x+ky=0 has nonzero solution ______
Answer by ikleyn(52799) About Me  (Show Source):
You can put this solution on YOUR website!
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The determinant of the coefficient matrix must be equal to zero


    1*k - 5*3 = 0

     k        = 15.    ANSWER

Solved.