`9x^2-kx+16` find the value of `k` where the roots are equal

Find the values of k for which the roots are real and equal in the following equations: 2kx^(2)-40x+25=0 (ii) 9x^(2)-24x+k=0

Find the values of k for which the roots are real and equal in the following equations: 3x^(2)-5x+2k=0 (ii) 4x^(2)+kx+9=0

Find the values of k for which the roots are real and equal in the following equations: kx(x-2)+6=0 (ii) x^(2)-4kx+k=0

Find the values of k for which the roots are real and equal in the following equations: (k+1)x^(2)-2(k-1)x+1=0( ii )2x^(2)+kx+3=0

Find the values of k for which the roots are real and equal in the following equations: kx^(2)+4x+1=0 (ii) kx^(2)-2sqrt(5)x+4=0

Solve the following question. (i) Find the value of k for which the roots of quadratic equation kx^2+2x+3=0 are real and equal.

Find the values of k for which the roots are real and equal in the following equations: (3k+1)x^(2)+2(k+1)x+k=0 (ii) kx^(2)+kx+1=-4x^(2)-x

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

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

Find the nonzero value of k for which the roots of the quadratic equation 9x^(2)-3kx+k=0 are real and equal.