If the roots of the quadratic equation `2x^(2)+8x+k=0` are equal, find the value of k.

If x=-2 is one of the roots of the quadratic equation x^(2)+x-2k=0, then find the value of k.

If one of the roots of the quadratic equation x^(2) – 7x + k = 0 is 4, then find the value of k.

If one of the roots of the quadratic equation x^(2) – 7x + k = 0 is 4, then find the value of k.

If the sum of the roots and product of the roots of the quadratic equation kx^(2)+2x+3k=0(kne0) are equal, then find the value of k.

If the roots of a quadratic equation 2x^(2)+3kx+8=0 are equal,the value of k is

If one root of the quadratic equation x^(2)-7x+k=0 is 2, find the value of k.

If x=9 is one root of the quadratic equation x^(2)-11x+k=0 , then find the value of k.

If one root of the quadratic equation 2x^2+k x-6=0 is 2, find the value of k . Also, find the other root.

Find the value of k for which the roots of the quadratic equation 2x^(2) + kx + 8 = 0 will have equal value.

If one root of the quadratic equation x^2-7x+k=0 is 2, find the value of K.