Mathematics-Quadratic Equations (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 8 of 12

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Question number: 1

» Mathematics » Quadratic Equations

MCQ▾

Question

Sum of the roots of the equation x 2 + 5x + 6 = 0 is

Choices

Choice (4) Response

a.

4

b.

-4

c.

-5

d.

5

Question number: 2

» Mathematics » Quadratic Equations

MCQ▾

Question

If one root of 3x 2 = 8x + (2k + 1) is seven times the other, then the value of k is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Mathematics » Quadratic Equations

MCQ▾

Question

If

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 4

» Mathematics » Quadratic Equations

MCQ▾

Question

If the roots of x 2 -Ix + m = 0 differ by 1, then

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Mathematics » Quadratic Equations

MCQ▾

Question

The roots of the equation are 1 and 2. The roots of the equation must be

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 6

» Mathematics » Quadratic Equations

MCQ▾

Question

If and are the roots of the equation , then is equal to

Choices

Choice (4) Response

a.

b.

a 2 + a 4) 2

c.

d.

All of the above

Question number: 7

» Mathematics » Quadratic Equations

MCQ▾

Question

If the zeroes of the polynomial are reciprocal of each other, then the value of k is

Choices

Choice (4) Response

a.

-1

b.

1

c.

2

d.

-2

Question number: 8

» Mathematics » Quadratic Equations

MCQ▾

Question

If and are the roots of the equation, then an equation whose roots are and is

Choices

Choice (4) Response

a.

ax2- bx + c = 0

b.

cx2+ ax + b = 0

c.

bx2 + ax + c = 0

d.

cx2+ bx + a = 0

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