factorisation by using identities

factorisation by using identities

8th Grade

9 Qs

quiz-placeholder

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factorisation by using identities

factorisation by using identities

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

SABAH MATH

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 factorise      x2+8x+16factorise\ \ \ \ \ \ x^2+8x+16  

 (x+2)2\left(x+2\right)^2  

 (x+3)3\left(x+3\right)^3  

 (x+4)3\left(x+4\right)^3  

 (x+4)2\left(x+4\right)^2  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The factorisation of 4x + 16 is _______
4(x + 4)
4(x - 4)
x + 4
4x + 4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Expand (x - 8) ( x - 8)

x2 - 64

x2 + 64

x2 - 16x + 64

x2 + 16x + 64

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Expand ( x + 2)2.

x2 + 22

x2 + 2x +2

x2 + 4x +2

x2 + 4x +4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorize  3x+9

3(x+3)

x(3+3)

9(x-3)

3x(x+9)

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorise

k2-2k+1

(k4+2)2

(k2+1)2

(k-1)2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorise 3r + r2

r (3 + r)

3r (1 + r)

3 (1 + r)

3r (r + 3)

8.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorise 3r2s + 3s2r

3r (s + 2)

3s (2 + r)

3rs (r + s)

3 (s + 2)

9.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (4a+2b)2=\left(4a+2b\right)^2= 

 16a2+8ab4b216a^2+8ab-4b^2  

 16a28ab4b216a^2-8ab-4b^2  

 16a28ab+4b216a^2-8ab+4b^2 

 16a2+8ab+4b216a^2+8ab+4b^2