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A) Multiple Choices: X X X X X X X X

This document contains multiple choice and short answer questions about factorizing algebraic expressions. The questions involve factorizing polynomials with various terms including single variables, products of variables, and constants. Students are asked to identify the fully factored form of each expression.

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Vincent NG
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0% found this document useful (0 votes)
42 views8 pages

A) Multiple Choices: X X X X X X X X

This document contains multiple choice and short answer questions about factorizing algebraic expressions. The questions involve factorizing polynomials with various terms including single variables, products of variables, and constants. Students are asked to identify the fully factored form of each expression.

Uploaded by

Vincent NG
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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A) Multiple Choices 4. Factorize 10ap + 15aq  10bp  15bq.

1. Factorize 6 x  18x 2 . A. (a  b)(10p + 15q)


A. 6 x(1  3 x) B. (a + b)(10p + 15q)
C. 5(a + b)(2p + 3q)
B. 6 x (1  3 x 2 )
D. 5(a  b)(2p + 3q)
2
C. 6(3  x)

D. 6(3 x 2  1) 2 2
5. Factorize 3x + 6xy + 3y .
2 2
A. 3(x + y )
2. Factorize 14x 2 y 2  8 yz . B. 3(x  y)
2

2
A. 2 y 2 (7 x 2  8 z ) C. (x  y)
2
B. 2 y (7 xy  8 z ) D. 3(x + y)

C. 2 y (7 xy 2  4 y )
2
6. Factorize 25s + 20s  4.
D. 2 y (7 x 2 y  4 z ) 2
A. (5s + 2)
2
B. (5s + 2)
2
3. Factorize 2bc  10ab + cd  5ad. C. (5s  2)
2
A. (b + 2d) (c  5a) D. (5s  2)
B. (b + 2d) (5a  c)
2 2
C. (2b + d) (c  5a) 7. Factorize 36a  b + 6a  b.
A. (6a + b  1)(6a + b)
D. (2b + d) (5a  c)
B. (6a + b + 1)(6a + b)
C. (6a + b  1)(6a  b)
D. (6a + b + 1)(6a  b)
2 2 2
8. Factorize 4  a  b  2ab. 12. Factorize x  6x  27.
2
A. (2  a + b) A. (x  9)(x  3)
B. (2 + a + b) (2  a  b) B. (x  9)(x + 3)
C. (2 + a  b) (2  a  b)
C. (x + 9)(x + 3)
D. (2 + a + b) (2  a + b)
D. (x + 9)(x  3)

4
9. Factorize 625  x .
2
A. (25  x )
2 2
13. Factorize x + 2x  35.
2
B. (5  x) (25 + x )
2 A. (x + 5)(x + 7)
2 B. (x  5)(x  7)
C. (5 + x)(5  x)(25 + x )
2 2 C. (x  5)(x + 7)
D. (25  x )(25 + x )
D. (x + 5)(x  7)

2 2 2 2
10. Factorize (x  y ) + 4(x + 2xy + y ).
2
A. (x  y)(5x + 3y) 14. Factorize x + 5x + 36.
B. (x + y)(5x  3y) A. (x + 4)(9  x)
C. (x  y)(5x  3y) B. (x + 4)(x + 9)
D. (x + y)(5x + 3y) C. (x + 4)(x  9)
D. (x  4)(x + 9)

4 2 2 4 2
11. Factorize 9x  6x y + y  z + 4z  4.
2
2 2 2
A. (3x  y + z  2)(3x  y  z  2)
2 2 2
15. Factorize 5x + 3  2x .
2 2
B. (3x  y + z  2)(3x  y  z + 2)
2 2 A. (x + 3)(1  2x)
2
C. (3x  y  z  2)
2 2 B. (x + 3)(2x  1)
2 2 2 2 C. (x + 3)(2x + 1)
D. (3x  y  z + 2)(3x  y  z  2)
D. (x  3)(2x + 1)
2 2
16. Factorize 12  25t  20t. 20. Factorize 39m  82mn + 8n 2 .
A. (5t  6)(2  5t) A. (39m + 2n)(m + 4n)
B. (5t + 6)(2  5t) B. (39m + 4n)(m + 2n)
C. (5t + 6)(5t + 2) C. (39m  4n)(m  2n)
D. (5t  6)(5t + 2) D. (39m  2n)(m  4n)

2 2 2 2 2
17. Factorize (5x  y)  17x  13y . 21. Factorize 10x  22xy + 4y .
A. 2(4x  3y)(x + 2y) A. 2(5x  y)(x + 2y)
B. 2(4x + 3y)(x  2y) B. 2(5x  y)(x  2y)
C. 2(4x + 3y)(x + 2y) C. 2(5x + y)(x + 2y)
D. 2(4x  3y)(x  2y) D. 2(5x + y)(x  2y)

2 2 2
18. Factorize 12m  12n(5m + 36n). 22. Factorize 96q  12pq  45p .
A. 12(m  4n)(m  9n) A. 3(4q  15p)(8q + p)
B. 12(m  9n)(m + 4n) B. 3(4q  3p)(8q + 5p)
C. 12(9n  m)(m  4n) C. 3(4q + 15p)(8q  p)
D. 12(m  4n)(m + 9n) D. 3(4q + 5p)(8q  3p)

19. Factorize (5x  2)(6x  1)x  5x + 2. 23. Factorize 8b3  c 3 .


A. (5x  2)(2x + 1)(3x  1)
A. (2b  c)3
B. (5x  2)(2x + 1)(3x + 1)
B. (2b  c)(2b  c) 2
C. (5x  2)(2x  1)(3x  1)
D. (5x  2)(2x  1)(3x + 1) C. ( 2b  c)(4b 2  2bc  c 2 )

D. ( 2b  c)(4b 2  2bc  c 2 )
24. Factorize 643  1 . 27. Factorize a 3  (a  2b)3 .

A. ( 4  1) 3 A. 2b(3a 2  12ab  4b 2 )

B. ( 4  1)(162  4  1) B. 2b(3a 2  12ab  4b 2 )

C. ( 4  1)(162  4  1) C. 2b(3a 2  6ab  4b 2 )

D. ( 4  1)(162  4  1) D. 2b(3a 2  6ab  4b 2 )

25. Factorize 64d 3  27e 3 . 28. Factorize (8 x  3)3  ( x  3)3 .

A. ( 4d  3e)(16d 2  12de  9e 2 ) A. 27 x(19x 2  21x  9)

B. ( 4d  3e)(16d 2  12de  9e 2 ) B. 27 x(19x 2  21x  9)

C. ( 4d  3e)(16d 2  12de  9e 2 ) C. 27x (19x 2  21x  9)

D. ( 4d  3e)(16d 2  12de  9e 2 ) D. 27 x(19x 2  21x  9)

26. Factorize y 5  27y 2 . 29. Factorize 8 xy 4  2( x  y ) 2  2( x  y ) 2 .

A. y 2 ( y  3)3 A. 8 xy( y  1)( y 2  2 y  1)

B. ( y  3)( y 2  3 y  9) B. 8 xy( y  1)( y 2  2 y  1)

C. y 2 ( y  3)( y 2  3 y  9) C. 8 xy( y  1)( y 2  y  1)

D. y 2 ( y  3)( y 2  3 y  9) D. 8 xy( y  1)( y 2  y  1)


30. Factorize 4 p 6 q  4q . 8. Factorize 49  16a 2 b 2 .

A. 4q( p  1) 2 ( p 4  p 2  1)

B. 4q( p  1) 2 ( p 4  p 2  1) 9. Factorize mx  ny  nx  my .

C. 4q ( p  1)( p  1)( p 4  p 2  1)

D. 4q ( p  1)( p  1)( p 4  p 2  1)
10. Factorize 6 s  4 y  3sr  2 yr .

B) Short Questions
1. Factorize 15xy  5y. 11. Factorize 18x 2  2 y 2  6 x  2 y .

2. Factorize x 2  144 .
12. Factorize x 2  3 x  2 .

3. Factorize 3 x 2 y  15x . 13. Factorize x 2  5 x  6 .

14. Factorize x 2  18x  65 .


4. Factorize x 2  16y 2 .
15. Factorize x 2  4 x  4 .

5. Factorize 3 x 2  27 . 16. Factorize 4 x 2  14x  18 .

17. Factorize 2 x 2  8 x  6 .
6. Factorize 2m 2  32 .
18. Factorize 2 x 2  13x  21 .

7. Factorize 5 x 2  125 .
19. Factorize 2 x 2  3x  54 . 28. Factorize x 2  2 xy  y 2  4 z 2 .

20. Factorize 12  5 x  2 x 2 . 29. Factorize ( x 2  16x  64)  ( y  2) 2 .

21. Factorize 1  y 3 . 30. Factorize x 4  y 4 .

22. Factorize 27 x 3  64 . 31. Factorize 49a 2  14a  1  4 x 2  4 x  1 .

23. Factorize 64x 3  8 y 3 . 32. Factorize x 2  5 xy  6 y 2 .

24. Factorize 125x 3  27 y 3 . 33. Factorize x 4 y  10x 3 y 2  25x 2 y 3 .

25. Factorize 36  60a  25a 2 . 34. Factorize x 4  x 2 y 2  y 4 .

26. Factorize 9 x 2  30x  25 . 35. (a) Factorize 25  10x  x 2 .


(b) Hence, factorize 25  10( n  1)  ( n  1) 2 .

27. Factorize 4 x 2  12x  9 .


36. (a) Factorize x 2  4 x  3 .
(b) Hence, factorize ( 2 x  3) 2  4( 2 x  3)  3 .
37. Factorize 5  2 x  3 x 2 . 46. (a) Factorize x 3  8 .
(b) Hence, factorize x 3  6 x  4 .

38. Factorize 12x  4 x 2  9 .


47. Factorize ( x  1) 3  x 3 .

39. Factorize 15x 2  27 x  54 .


48. Factorize (8 x 3  y 3 )  (2 x  y ) .

40. Factorize 4ax 2  3ax  52a .


49. (a) Factorize 25x 2  10x  1 .
(b) Hence, factorize 25( x 2  y 2 )  10x  1 .
2 2
41. Factorize 2 x  5 xy  2 y .

50. (a) Factorize 81x 2  90xy  25 y 2 .


42. Factorize 12x 2  32xy  16 y 2 . (b) Hence, factorize 81( m  n) 2  90( m  n)( p  q)  25( p  q ) 2 .

43. Factorize axy 4  ax 4 y .

44. Factorize 7 xy 5  7 x 4 y 2 .

45. Factorize ( x  y ) 3  ( x  y ) 3 .
7. D
2 2
Solution of Summer Exercise – Factorization 36a  b + 6a  b  (6a) 2  b 2 + 6a  b
1. A  (6a + b)(6a  b) + (6a  b)
6 x  18x 2  6 x(1  3 x )  (6a + b + 1)(6a  b)

8. B
2 2 2 2 2
2. D 4  a  b  2ab  2  (a + 2ab + b )
14x 2 y 2  8 yz  2 y (7 x 2 y  4 z )  22  (a + b) 2
 [2 + (a + b)][2  (a + b)]
 (2 + a + b)(2  a  b)

3. C
2bc  10ab  cd  5ad  2b(c  5a )  d (c  5a ) 9. C
 (2b  d )(c  5a) 625  x 4  252  ( x 2 ) 2
 (25  x 2 )(25  x 2 )
4. D  (5  x)(5  x )(25  x 2 )
10ap + 15aq  10bp  15bq  5(2ap + 3aq  2bp  3bq)
 5[a(2p + 3q)  b(2p + 3q)]
 5(a  b)(2p + 3q) 10. D
( x 2  y 2 )  4( x 2  2 xy  y 2 )  ( x  y )( x  y )  4( x  y ) 2
5. D  ( x  y )[( x  y )  4( x  y )]
2 2 2 2
3x + 6xy + 3y  3(x + 2xy + y )  ( x  y )(5 x  3 y )
 3(x + y) 2

6. C
2
  25s + 20s  4  (25s 2  20s + 4)
 [(5s) 2  2(5s)(2) + 2 2 ]
2
 (5s  2)

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