Quadratic Equations (IMO- Mathematics Olympiad (SOF) Class 10): Questions 43 - 50 of 80

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Question number: 43

» Quadratic Equations

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

Not determined

c.

d.

Question number: 44

» Quadratic Equations

MCQ▾

Question

If , then is equal to ________

Choices

Choice (4) Response

a.

5

b.

c.

0

d.

Question number: 45

» Quadratic Equations

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

Question number: 46

» Quadratic Equations

MCQ▾

Question

The expression is divisible by. Then m is a divisor of ________

Choices

Choice (4) Response

a.

54

b.

20

c.

45

d.

40

Question number: 47

» Quadratic Equations

MCQ▾

Question

The positive value of k for which the equations and will both have real roots, is ________

Choices

Choice (4) Response

a.

8

b.

4

c.

16

d.

12

Question number: 48

» Quadratic Equations

MCQ▾

Question

Solve the equation by using quadratic formula, then x is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 49

» Quadratic Equations

MCQ▾

Question

If one roots of is twice the other root, then the value of ‘a’ is ________

Choices

Choice (4) Response

a.

-15

b.

15

c.

20

d.

-20

Question number: 50

» Quadratic Equations

MCQ▾

Question

A convex polygon has 44 diagonals. The number of its sides is ________

Choices

Choice (4) Response

a.

13

b.

10

c.

11

d.

12

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