Factorisation (IMO- Mathematics Olympiad Class 8): Questions 54 - 59 of 63

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Question number: 54

» Factorisation

MCQ▾

Question

The factors of x2+y2+xy are________.

Choices

Choice (4) Response

a.

(x+yxy)(x+y+xy)

b.

(x+y)(xy)

c.

(x2+y2)(x2y2+xy)

d.

(x2+y2)(x2+y2+xy)

Question number: 55

» Factorisation

MCQ▾

Question

If 2x+3y=36 and 2x3y=12, then the value of xy is________.

Choices

Choice (4) Response

a.

50

b.

40

c.

45

d.

48

Question number: 56

» Factorisation

MCQ▾

Question

One of the factors of m46m2+8 is________.

Choices

Choice (4) Response

a.

(m2)

b.

(m+2)

c.

(m+2)

d.

All a. , b. and c. are correct

Question number: 57

» Factorisation

MCQ▾

Question

The factors of x3+2x29x18=0 is ________.

Choices

Choice (4) Response

a.

(x3)(x+3)(x+2)

b.

(x+3)(x2)(x+2)

c.

(x2)(x+2)(x3)

d.

Question does not provide sufficient data or is vague

Question number: 58

» Factorisation

MCQ▾

Question

Factorisation of xy+a2b+bx+a2y is________.

Choices

Choice (4) Response

a.

(x+a2)(yb)

b.

(x+a2)(y+b)

c.

(x+a)(y+b)

d.

(xa2)(y+b)

Question number: 59

» Factorisation

MCQ▾

Question

Expansion of (abc)2 is________.

Choices

Choice (4) Response

a.

a2+b2+c22ab+2bc2ca

b.

a2+b2+c2

c.

a2+b2+c22ab2bc2ca

d.

None of the above

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