IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 280 - 285 of 968

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Question number: 280

» Quadratic Equations

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MCQ▾

Question

Find the value of ‘k’ if product of roots of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 281

» Quadratic Equations

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MCQ▾

Question

If have a common root, then the value of ‘a’ is ________

Choices

Choice (4) Response

a.

b.

c.

Only 1

d.

Question number: 282

» Quadratic Equations

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MCQ▾

Question

In the Maths Olympiad of 2020 at Animal Planet, two representatives from the donkey’s side, while solving a quadratic equation, committed the following mistakes:

  1. One of them made a mistake in the constant term and got the roots as 5 and 9.

  2. Another one committed an error in the coefficient of x and he got the roots as 12 and 4

But in the meantime, they realized that they are wrong and they managed to get it right jointly. Find the quadratic equation.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 283

» Quadratic Equations

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MCQ▾

Question

Which of the statements given below is correct. If discriminant for equation is D________

Choices

Choice (4) Response

a.

Not determined

b.

c.

d.

Question number: 284

» Quadratic Equations

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MCQ▾

Question

If , then is equal to ________

Choices

Choice (4) Response

a.

b.

c.

0

d.

5

Question number: 285

» Quadratic Equations

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MCQ▾

Question

Which of the statements given below is correct. If discriminant for equation is D________

Choices

Choice (4) Response

a.

b.

c.

d.

D is not defined