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

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

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

Find the value of K for which the quadratic equation kx^(2)+2x+1=0, has real and distinct root.

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

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

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

Find the values of k for which the following quadratic equation has real and equal roots: x^(2)+k(2x+k-1)+2=0

Find the value of k for which given quadratic equation has real and equal roots: k^2x^2-2(k-1)x+4=0

Find the values of k for which the given equation has real roots: k x^2-6x-2=0

In the following, determine the set of values of k for which the given quadratic equation has real roots: (i) 3x^2+2x+k=0 (ii) 4x^2-3k x+1=0 (iii) 2x^2+k x-4=0