Chhattisgarh Board Solutions for Exercise 13: Exercise – 4

For the $16{\mathrm{x}}^2+\mathrm{kx}+9=0$ it is given that the roots of the quadratic equation is imaginary, then what can say about $\mathrm{k}$?

Solve the given quadratic equation with the help of formula.

$2x^2-9x+7=0$

Solve the given quadratic equation with the help of formula.

$x^2-7x-5=0$

Solve the given quadratic equation with the help of formula.

$4-11x=3x^2$

Solve the given quadratic equation with the help of formula.

$9x^2-4=0$

Solve the given quadratic equation with the help of formula.

$\sqrt{3}{x}^2-10x-8\sqrt{3}=0$

Solve the given quadratic equation with the help of formula.

$2x^2+x-6=0$

Solve the given quadratic equation with the help of formula.

$2x^2-2\sqrt{6}x+3=0$