Factorisation Test

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Factorisation Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is the common factor of 21 x²y and 35 xy²?

A
7

B
xy

C
7 xy

D
none of these.
Question 2
1 / -0

Which of the following arc the factors of 1 – x²?

A
(1 – x) (1 + x)

B
(1 – x) (1 – x)

C
(1 + x) (1 + x).

D
(x + l) (x – I)
Question 3
1 / -0

Which of the following is the common factor of:

5xy, 3pqr and 40 xyz?

A
5

B
0

C
xy

D
1
Question 4
1 / -0

Which of the following is quotient obtained on dividing –18 xyz² by –3 xz?

A
6 Yz

B
–6 yz

C
6 xy²

D
6 xy
Question 5
1 / -0

Which of the following are the factors of a2 + ab + bc + ca

A
ab – a – b + 1 = (1 – a)(1 – b)

B
ab – a – b + 1 = (a – 1)(b – 1)

C
ab – a – b + 1 = (1 – a)(b – 1)

D
ab – a – b + 1 = (a – 1)(1 – b)
Question 6
1 / -0

(y – x) (y + x) is equal to which of the following:

A
y² – yx

B
yx – x²

C
y² – x²

D
x² – y²
Question 7
1 / -0

Which of the following are the factors of a2 + ab +bc + ca

A
(b + c) (c + a)

B
(a + b) (a + c)

C
a(a + b + c)

D
(a + b) (b + c).
Question 8
1 / -0

Which of the following is the factorisation of x³ – x?

A
x(x – x²)

B
x[(1+ x) (1 – x)]

C
x(x² – x)

D
x[(x + 1) (x – 1)]
Question 9
1 / -0

Which of the following is equal to x³ – 225x

A
x(1 – 15x) (1 + 15x)

B
x(x – 15) (x + 15)

C
x(1 – 15x) (1 – 15x)

D
x(1 + 15x) (1 – 15x).

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Factorisation Test - 2

Result

Factorisation Test - 2

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SHARING IS CARING

Question 1

7

xy

7 xy

none of these.

Question 2

(1 – x) (1 + x)

(1 – x) (1 – x)

(1 + x) (1 + x).

(x + l) (x – I)

Question 3

5

0

xy

1

Question 4

6 Yz

–6 yz

6 xy2

6 xy

Question 5

ab – a – b + 1 = (1 – a)(1 – b)

ab – a – b + 1 = (a – 1)(b – 1)

ab – a – b + 1 = (1 – a)(b – 1)

ab – a – b + 1 = (a – 1)(1 – b)

Question 6

y2 – yx

yx – x2

y2 – x2

x2 – y2

Question 7

(b + c) (c + a)

(a + b) (a + c)

a(a + b + c)

(a + b) (b + c).

Question 8

x(x – x2)

x[(1+ x) (1 – x)]

x(x2 – x)

x[(x + 1) (x – 1)]

Question 9

x(1 – 15x) (1 + 15x)

x(x – 15) (x + 15)

x(1 – 15x) (1 – 15x)

x(1 + 15x) (1 – 15x).

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6 xy²

y² – yx

yx – x²

y² – x²

x² – y²

x(x – x²)

x(x² – x)