MCQ Questions for Class 10 Maths Quadratic Equations Quiz 11

Discriminant is_________ for the quadratic equation

$x+\dfrac { 1 }{ x } =-5$ .

In quadratic equation

$ax^2 + bx + c = 0$ , If discriminant

$D = b^2 - 4ac$ , then roots of quadratic equation are :

The sun of the values of

$x$ satisfying the equation

${ \left( 31+8\sqrt { 150 } \right) }^{ { x }^{ 2 }-3 }+1={ \left( 32+8\sqrt { 150 } \right) }^{ { x }^{ 2 }-3 }$ is

To expand

$\left(4 -\dfrac{3}{x^2}\right)^{\dfrac{-1}{2}}$ as the sum of infinite series, then [x] is greater than

Minimum value of the expression

$cos^{2} \theta -(6sin \theta . cos \theta )+3 sin^{2} \theta +2$ , is -

What is the value of the discriminant for the quadratic equation:

$\sqrt 2 {x^2} - 5x + \sqrt 2 = 0$

Find the roots of the following complenting the square.

Let

$\alpha ,\beta$ be the roots of

$a{ x }^{ 2 }+bx+c=0(a\neq 0)$ and

$\gamma ,\delta$ be the roots of

$p{ x }^{ 2 }+qx+r=0(p\neq 0)$ , and

${ D }_{ 1 },{ D }_{ 2 }$ be the respective discriminants of these equations. If

$\alpha ,\beta ,\gamma ,\delta$ are in A.P., then

${ D }_{ 1 },{ D }_{ 2 }$ equals

The discriminant of

$\sqrt{3}x^{2}-2\sqrt{2}x-2\sqrt{3}=0$ is ......................

Out of the following_____________is not a quadratic equation.

What is the standard form of quadratic equation

$9 = - {x^2} + 13x?$

CBSE Questions for Class 10 Maths Quadratic Equations Quiz 11 - MCQExams.com