Algebraic Expressions and Identities (IMO- Mathematics Olympiad Class 8): Questions 47 - 52 of 63

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Question number: 47

» Algebraic Expressions and Identities

MCQ▾

Question

What must be subtracted from x4+3x32x9 to get x2+x1 ?

Choices

Choice (4) Response

a.

x4+3x3+x23x8

b.

x4+3x3+x2+3x8

c.

x4+3x3x23x8

d.

x4+3x3x2+3x+8

Question number: 48

» Algebraic Expressions and Identities

MCQ▾

Question

The two adjacent sides of rectangle are 4y2+xy and x2+xy . Find the perimeter.

Choices

Choice (4) Response

a.

10x2+6y2+6xy

b.

10x2+2y2+6xy

c.

2x28y24xy

d.

2x2+8y2+4xy

Question number: 49

» Algebraic Expressions and Identities

MCQ▾

Question

Find the difference between the quotient and remainder when (x312x242) is divided by (x22x+1) .

Choices

Choice (4) Response

a.

23x+23

b.

2x+22

c.

22x+21

d.

22x+22

Question number: 50

» Algebraic Expressions and Identities

MCQ▾

Question

The two adjacent sides of rectangle are 5x+3yz and y2+3xy . Find the perimeter.

Choices

Choice (4) Response

a.

2y2+6yz+6xy+10x

b.

2y26yz+6xy+11x

c.

y2+3yz+6xy+10x

d.

2y26yz6xy+10x

Question number: 51

» Algebraic Expressions and Identities

MCQ▾

Question

The value of (32.012)2(22.012)275.25421.242 is________.

Choices

Choice (4) Response

a.

1

b.

10

c.

1000

d.

100

Question number: 52

» Algebraic Expressions and Identities

MCQ▾

Question

What must be subtracted from 2x5x to get x4+3x2+x+3 ?

Choices

Choice (4) Response

a.

2x5+x4+3x2+3

b.

2x5x4+3x23

c.

2x5x43x22x3

d.

x4+3x3x23x8

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