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factorisation

Authored by vandanapu nirmala

Mathematics

7th - 10th Grade

Used 40+ times

factorisation
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

what are methods for factorisation?

common factor

using identities

regrouping

all of these

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 factorise   10x218x3+14x4factorise\ \ \ 10x^2-18x^3+14x^4 

2x2(7x29x+5)2x^2\left(7x^2-9x+5\right)

2x2(7x2+9x+5)2x^2\left(7x^2+9x+5\right)

2x2(7x29x×5)2x^2\left(7x^2-9x\times5\right)

2x2(7x2+9x )2x^2\left(7x^2+9x\ \right)

3.

MULTIPLE CHOICE QUESTION

20 sec • 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  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+a)(x+b)=x2+a+b×x+ab\left(x+a\right)\left(x+b\right)=x^2+a+b\times x+ab 

true

false

cannot be determined

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

factorise  z2y2z^2-y^2  

 z×zy×yz\times z-y\times y  

 z+y×zyz+y\times z-y  

 cannot be simplifiedcannot\ be\ simplified  

 (z+y)(zy)\left(z+y\right)\left(z-y\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 factorise z24z12factorise\ z^2-4z-12  

 (z+2)(z+6)\left(z+2\right)\left(z+6\right)  

 (z6)(z+2)\left(z-6\right)\left(z+2\right)  

 (6z)(z6)\left(6-z\right)\left(z-6\right)  

 none of thesenone\ of\ these  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 4y212y+94y^2-12y+9  

 4y2+12y+94y^2+12y+9  

 (2y×3)2\left(2y\times3\right)^2  

 (2y+3)2\left(2y+3\right)^2 

none of these

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