Nature, Sum and Product of the Roots of Quadratic Equations

In the quadratic equation  $6x^2=0$  what is the value of the discriminant?

In the quadratic equation  $6x^2=0$  what is the nature of the roots?

In the quadratic equation  $x^2-64=0$  what is the nature of the roots?

In the quadratic equation  $x^2+3x+5=0$  what is the nature of the roots?

In the quadratic equation  $x^2+x-5=0$  what is the nature of the roots?

In the quadratic equation  $x^2+3x+5=0$  what is the sum of the roots?

In the quadratic equation $x^2+3x+5=0$ what is the product of the roots?

In the quadratic equation  $x^2+x-5=0$  what is the product of the roots?

In the quadratic equation  $x^2+x-5=0$  what is the sum of the roots?

In the quadratic equation  $2x^2+x-11=0$  what is the sum of the roots?