The standard quadratic formula to solve the quadratic equation $a x^{2} + b x + c = 0$ is given by.

x = \frac{b \pm \sqrt{b^{2} + 4 a c}}{2 a}

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x = \frac{\sqrt{b^{2} - 4 a c}}{2 a}

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x = \frac{- b \pm \sqrt{b^{2} + 4 a c}}{2 a}

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x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}

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Solution

The correct option is D $x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}$
The standard quadratic formula to solve the quadratic equation $a x^{2} + b x + c = 0$ is given by $x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}$
Option $d$ is the correct answer.

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Similar questions

If b² – 4ac = 0 then The roots of the Quadratic equation ax² + bx + c = 0 are given by :

Q. Which of the given formulae is the correct one to find out the roots of the quadratic equation

a x^{2} + b x + c = 0

The roots of a quadratic equation $a x^{2} + b x + c = 0$ are given by $\frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}$ , provided $b^{2} - 4 a c \geq 0$ .

Q. Prove the root of equation

{a x}^{2} + b x + c = 0

\Rightarrow x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}

Q. Find the roots of the quadratic equation

a x^{2} + b x + c = 0

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The standard quadratic formula to solve the quadratic equation ax2+bx+c=0 is given by.

The correct option is D x=−b±√b2−4ac2aThe standard quadratic formula to solve the quadratic equation ax2+bx+c=0 is given by x=−b±√b2−4ac2a Option d is the correct answer.

The standard quadratic formula to solve the quadratic equation $a x^{2} + b x + c = 0$ is given by.

The correct option is D $x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}$
The standard quadratic formula to solve the quadratic equation $a x^{2} + b x + c = 0$ is given by $x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}$
Option $d$ is the correct answer.