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Factorization of (ax^2+bx+c) & Algebraic formula

Authored by Shuva Shrestha

Mathematics

8th Grade

Used 16+ times

Factorization of  (ax^2+bx+c) & Algebraic formula
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor of:  x2+4xx^2+4x  

 x(x+2)x(x+2)  

 x(x+3)x(x+3)  

 x(x+4)x(x+4)  

 x(x4)x(x-4)  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If  ab=3a-b=3 ,  ab=10 , what is the value of  a^2+b^2 ?

19

29

39

None

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Factors of : 25p236q225p^2-36q^2  

 (25p+36q)(25p36q)(25p+36q)(25p-36q)  

 (5p+6q)(5p6q)(5p+6q)(5p-6q)  

 (5p+6q)(6p5q)(5p+6q)(6p-5q)  

 (5p6q)(5q6p)(5p-6q)(5q-6p)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Perfect square of 16x284xy+49y216x^2-84xy+49y^2 

 (4x+7y)2(4x+7y)^2  

 (16x49y)2(16x-49y)^2  

 (2x7y)2(2x-7y)2  

 (4x7y)2(4x-7y)^2  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Find the value of:  3.75×3.752.25×2.253.752.25\frac{3.75×3.75-2.25×2.25}{3.75-2.25}  

1.5

2.5

6

4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If  x+1x=7x+\frac{1}{x}=7  , what is the value of  x2+1x2x^2+\frac{1}{x^2}  ?

47

49

39

None

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Factors of :a(xy)b(xy)a(x-y)-b(x-y)  


 (a+b)(x+y)(a+b)(x+y)  

 (ab)(x+y)(a-b)(x+y)  

 (ab)(xy)(a-b)(x-y)  

 (a+b)(xy)(a+b)(x-y)  

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