IMO- Mathematics Olympiad Class 8: Questions 628 - 634 of 1029

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Question number: 628

» Factorisation

MCQ▾

Question

The factors of x225 are________.

Choices

Choice (4) Response
a.

(x+5)(x+5)

b.

(x5)(x+5)

c. None of the above
d. Question does not provide sufficient data or is vague

Question number: 629

» Factorisation

MCQ▾

Question

If (x2+3x+2)(x23x+2)=m2n2 , then n = ________.

Choices

Choice (4) Response
a.

x2+2

b.

x23

c.

2x+3

d.

3x

Question number: 630

» Factorisation

MCQ▾

Question

The factors of 2x2+7x+62 are________.

Choices

Choice (4) Response
a.

(2x3)(x+22)

b.

(2x+2)(x+22)

c.

(2x+3)(x+22)

d.

(2x3)(x22)

Question number: 631

» Factorisation

MCQ▾

Question

The factors of 3x2+2x53 are________.

Choices

Choice (4) Response
a.

(x3)(3x5)

b.

(x3)(3x+5)

c.

(x+3)(3x+5)

d.

(x23)(3x+5)

Question number: 632

» Factorisation

MCQ▾

Question

One of the factors of x2+1x2+23x3x is________.

Choices

Choice (4) Response
a.

x2+1x2

b.

x+1x

c.

x1x

d.

x+1x1

Question number: 633

» Factorisation

MCQ▾

Question

One of the factors of (a2b2)(c2d2)4abcd is________.

Choices

Choice (4) Response
a.

(acbdadbc)

b.

(acbd+ad+bc)

c.

(ac+bdadbc)

d. All of the above

Question number: 634

» Factorisation

MCQ▾

Question

Factorisation of xyab+byax is________.

Choices

Choice (4) Response
a.

(y+a)(xb)

b.

(ya)(x+b)

c.

(ya)(xb)

d.

(y+a)(x+b)

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