Mathematics-Quadratic Equations [NSTSE (National Science Talent Search Exam- Unified Council) Class 10]: Questions 1 - 9 of 118

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Question 1

Quadratic Equations

Question

MCQ▾

If has roots which are numerically equal but of opposite signs, the value of ‘m’ must be

Choices

Choice (4)Response

a.

1

b.

0

c.

d.

Question 2

Quadratic Equations

Question

MCQ▾

Two values whose sum is 4 and the absolute value of whose difference is 6 are the roots of the equation

Choices

Choice (4)Response

a.

b.

c.

d.

Question 3

Quadratic Equations

Question

MCQ▾

The equation has

Choices

Choice (4)Response

a.

One real and one imaginary root

b.

One real root

c.

Two real roots

d.

Two imaginary roots

Question 4

Quadratic Equations

Question

MCQ▾

The roots of the equation can be obtained graphically by finding the abscissas of the pointing of intersection of each of the following pairs of equations except

Choices

Choice (4)Response

a.

b.

c.

d.

Question 5

Quadratic Equations

Question

MCQ▾

The roots of are

Choices

Choice (4)Response

a.

1,2 and 3

b.

3

c.

0 and 3

d.

0, -1, -2 and 3

Question 6

Quadratic Equations

Question

MCQ▾

If p and q are the rots of , then = ________.

Choices

Choice (4)Response

a.

-5

b.

13

c.

5

d.

3

Question 7

Quadratic Equations

Question

MCQ▾

The difference of the roots of is

Choices

Choice (4)Response

a.

b.

c.

-8

d.

Question does not provide sufficient data or is vague

Question 8

Quadratic Equations

Question

MCQ▾

The roots of the equation can be found by solving

Choices

Choice (4)Response

a.

b.

c.

d.

Question 9

Quadratic Equations

Question

MCQ▾

Two values whose sum is -9 and the absolute value of whose difference is 3 are the roots of the equation

Choices

Choice (4)Response

a.

b.

c.

d.

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