SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10A

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10th West Bengal Board

IMPORTANT

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If one root of the equation $2 x^{2} + b x - 24 = 0$ is $4$ , then other root is

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Important Questions on Quadratic Equation in One Variable

EASY

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10A

If the sum of the roots of the equation

a x^{2} - 12 x + 5 = 0

is

3

, the product of the roots will be

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10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10A

The value of

k

for which the roots of the equation

2 x^{2} + k x + k - 3 = 0

are reciprocal to each other is

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10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10A

If both the roots of the equation

(k - 2) x^{2} + (k - 4) x + 2 k - 8 = 0

are zero, then the value of

k

is

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10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10A

If the expression

x^{2} - 20 x - a

is a perfect square, then the value of

a

is

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10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10B

The equation $(2 - k) x^{2} + (2 + k) x + 5 = 0$ is not a quadratic equation if $k =$ _____.

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10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10B

Only one root of the equation

k (x^{2} + x + 1) + 2 = 0

will be zero, if

k =

_____.

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10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10B

in the equation

2 x^{2} - 3 x + 1 = 0

, the sum of the coefficient of

x

and

x^{2}

is _____.

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10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 1 - Quadratic Equation in One Variable>EXERCISE 1B>Q 10B

If

x + \frac{1}{x} = - 2

, then

x =

_____.