" (i) "7x^(2)+kx-3=0,x=2/3

In each of the following,find the value of k for which the given value is a solution of the given equation: 7x^(2)+kx-3=0,x=2/3(ii)x^(2)-x(a+b)+k=0,x=a

In each of the following,determine the value of k for which the given value is a solution of the equation: kx^(2)+2x-3=0,x=2 (ii) 3x^(2)+2kx-3=0,x=-(1)/(2)( iii) x^(2)+2ax-k=0,x=-a

Find the value of k for which the given value is a solution of the given equation 7x^2+kx-3=0 at x=2/3

Find the values of k for which the given quadratic equation has real and distinct roots: (i) kx^(2)+6x+1=0" "(ii)" "x^(2)-kx+9=0 (iii) 9x^(2)+3kx+4=0" "(iv)" "5x^(2)-kx+1=0

x^(2)-2kx+7k-12=0

The value of k for which (2)/(3) is a root of the quadratic equation 7x^(2)-kx-3=0 is

If x=-(1)/(2) is a solution of the quadratic equation 3x^(2)+2kx-3=0 , find the velue of k.

If x=-(1)/(2) is a solution of the quadratic equation 3x^(2)+2kx-3=0 , find the velue of k.

Find the value(s) of k for which the given quadratic equations has real and distinct roots : (i) 2x^(2)+kx+4=0 (ii) 4x^(2)-3kx+1=0 (iii) kx^(2)+6x+1=0 (iv) x^(2)-kx+9=0