Quadratic Equations (IMO- Mathematics Olympiad Class 10): Questions 42 - 46 of 80

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Question number: 42

» Quadratic Equations

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 43

» Quadratic Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Not determined

c.

Equation

d.

Equation

Question number: 44

» Quadratic Equations

MCQ▾

Question

If Equation , then Equation is equal to ________

Choices

Choice (4) Response

a.

5

b.

Equation

c.

0

d.

Equation

Question number: 45

» Quadratic Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

D is not defined

Question number: 46

» Quadratic Equations

MCQ▾

Question

The expression Equation is divisible byEquation . Then m is a divisor of ________

Choices

Choice (4) Response

a.

54

b.

20

c.

45

d.

40

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