Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 2

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Which of the following is not a quadratic equation?

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Important Questions on Quadratic Equations

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 3

Which of the following equations has

' 2'

as a root?

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 4

If $\frac{1}{2}$ is a root of the equation $x^{2} + k x - \frac{5}{4} = 0$ , then the value of $k$ is:

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 5

Which of the following equations has the sum of its roots as $3$ ?

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 6

Value of $k$ for which the quadratic equation $2 x^{2} - k x + k = 0$ has equal roots is:

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 7

Which constant must be added and subtracted to solve the quadratic equation

9 x^{2} + \frac{3}{4} x - \sqrt{2} = 0

, by the method of completing the square?

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 8

The quadratic equation $2 x^{2} - \sqrt{5} x + 1 = 0$ has:

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 9

Which of the following equations has two distinct real roots?

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Modern's abc+ of Mathematics for Class 10>Chapter 4 - Quadratic Equations>COMPETITION FILE>Q 10

Which of the following equations has no real roots?