Determine whether an unknown involved in a quadratic equation when its roots are given .`kx^2+2x-3=0;x=2`

Determine the values of unknown involved in a given quadratic equation when nature of the roots are given

. Determine the value of for which the quadratic equation 2x2+3x+k=0 have both roots real.

Determine the nature of roots for quadratic equation 3x^2-5x+7=0

In the following,determine whether the given quadratic equations have real roots and if so, find the roots 6x^(2)+x-2=0 (ii) 25x^(2)+20x+7=0

In the following,determine whether the given quadratic equations have real roots and if so, find the roots 9x^(2)+7x-2=0 (ii) 2x^(2)+5sqrt(3)x+6=0

Determine whether the value given against each of the qaudratic equation are the roots of the equation. (i) x^2+5x-6=0 , x=-6,2 .

Determine whether the value given against each of the qaudratic equation are the roots of the equation. (ii) 2x^2-7x+6=0 , x=3/2,-2 .

Determine whether the values given against each of the quadratic equations are the roots of the quadratic equation or not : x^(2)+4x-5=0,x=1,-1

In the following,determine whether the given quadratic equations have real roots and if so, find the roots 3x^(2)+2sqrt(5)x-5=0 (ii) x^(2)+5x+5=0

In the following,determine whether the given quadratic equations have real roots and if so, find the roots: 16x^(2)=24x+1 (ii) x^(2)+x+2=0