For which value of `k` will the equations `x^@-kx-21=0` and `x^2-3kx+35=0` have on common root

The value(s) of k which the equation x^2-k x-21=0 a n d x^2-3kx+35=0 has a common root, may be: (a) +-1 (b) +-2 (c) +-4 (d) No of these

If the equations 2x^(2)+kx-5=0 and x^(2)-3x-4=0 have a common root,then the value of k is

Find the value of k, so that the equation 2x^(2)+kx-5=0 and x^(2)-3x-4=0 may have one root in common.

Find the value of k, so that the equation 2x^(2)+kx-5=0 and x^(2)-3x-4=0 may have one root in common.

For what values of k, the equation kx^(2)-6x-2=0 has real roots?

The positive value of k for which the equation x^(2)+kx+64=0 and x^(2)-8x+k=0 will both have real roots,is 4 (b) 8(c)12 (d) 16

The equation kx^(2)+x+k=0 and kx^(2)+kx+1=0 have exactly one root in common for

Find the value of k for which the equation kx (x - 2) + 6 = 0 has equal roots.

Find the value of k if the quadratic equation kx^2 -12x + 4 = 0 have equal roots.