Algebraic Expressions and Identities (IMO- Mathematics Olympiad Class 8): Questions 8 - 15 of 63

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Question number: 8

» Algebraic Expressions and Identities

MCQ▾

Question

If we divide (x2+6x+8) by (x+4) , then the quotient is________.

Choices

Choice (4) Response

a.

3x+1

b.

x+2

c.

x+1

d.

5x1

Question number: 9

» Algebraic Expressions and Identities

MCQ▾

Question

If 3x+y=3 , then 6x+2y is equal to________.

Choices

Choice (4) Response

a.

5

b.

6

c.

8

d.

10

Question number: 10

» Algebraic Expressions and Identities

MCQ▾

Question

If 2x5y=16 and xy=1 , then the value of 4x2+25y2 is________.

Choices

Choice (4) Response

a.

215

b.

210

c.

222

d.

236

Question number: 11

» Algebraic Expressions and Identities

MCQ▾

Question

The value of (55.274)2(44.726)2105.995.99 is________.

Choices

Choice (4) Response

a.

1000

b.

1

c.

100

d.

10.548

Question number: 12

» Algebraic Expressions and Identities

MCQ▾

Question

The difference of the degrees of the polynomials 3xy2+2x7yzz5 and 2x23y3+1 is________

Choices

Choice (4) Response

a.

6

b.

7

c.

4

d.

5

Question number: 13

» Algebraic Expressions and Identities

MCQ▾

Question

(3a+2b)224ab is equivalent to________.

Choices

Choice (4) Response

a.

(2a+3b)2

b.

(3a2b)2

c.

(3a+2b)2

d.

(4a5b)2

Question number: 14

» Algebraic Expressions and Identities

MCQ▾

Question

On multiplying 9x2 by 5x2 , we get product________.

Choices

Choice (4) Response

a.

45x3

b.

45x4

c.

5x4

d.

45x2

Question number: 15

» Algebraic Expressions and Identities

MCQ▾

Question

The difference of the degrees of the polynomials 3xy10 and 2x is________

Choices

Choice (4) Response

a.

4

b.

7

c.

10

d.

5

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