Factorization School Test Paper

  • June 2020
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Factorization School Test Paper as PDF for free.

More details

  • Words: 981
  • Pages: 4
2

2

1. Factor ize 4  a  b  2ab. 2

A.

(2  a + b)

B.

(2 + a + b) (2  a  b)

C.

(2 + a  b) (2  a  b)

D.

(2 + a + b) (2  a + b) 2

2

2

2

2. Factor ize (x  y ) + 4(x + 2xy + y ). A. (x  y)(5x + 3y) B. (x + y)(5x  3y) C. (x  y)(5x  3y) D. (x + y)(5x + 3y) 2

3. Factor ize 12  25t  20t. A. (5t  6)(2  5t) B. (5t + 6)(2  5t) C. (5t + 6)(5t + 2) D. (5t  6)(5t + 2) 2 2 2 4. Factor ize (5x  y)  17x  13y .

A. 2(4x  3y)(x + 2y) B. 2(4x + 3y)(x  2y) C. 2(4x + 3y)(x + 2y) D. 2(4x  3y)(x  2y) 5. Factor ize 64d 3  27e 3 . A.

(4d  3e)(16d 2  12de  9e 2 )

B.

(4d  3e)(16d 2  12de  9e 2 )

C.

(4d  3e)(16d 2  12de  9e 2 )

D.

(4d  3e)(16d 2  12de  9e 2 )

P.1

1.

Factorize 36  60a  25a 2 .

2. Factor ize 9 x 2  30x  25 . 3. Factor ize 4 x 2  12x  9 . 4. Factor ize 49a 2  14a  1  4 x 2  4 x  1 . 5. Factor ize x 4  x 2 y 2  y 4 . 6. (a) Factor ize 25  10x  x 2 . (b) Hence, factor ize 25  10(n  1)  (n  1) 2 . 7. Factor ize 15x 2  27x  54 . 8. Factor ize 4ax 2  3ax  52a . 9. Factor ize 7 xy 5  7 x 4 y 2 . 10. (a) Factor ize x 3  8 . (b) Hence, factor ize x 3  6 x  4 .

P.2

1.

2

2

2

4  a  b  2ab

B

2

2

 2  (a + 2ab + b )

 2 2  (a + b) 2  [2 + (a + b)][2  (a + b)]  (2 + a + b)(2  a  b) ( x 2  y 2 )  4( x 2  2 xy  y 2 )  ( x  y )( x  y )  4( x  y ) 2  ( x  y )[(x  y )  4( x  y )]

2. D

 ( x  y )(5 x  3 y )

12  25t 2  20t  (25t 2  20t  12)  (5t  6)(5t  2)

3. B

 (5t  6)(2  5t )

4. B

2

2

2

2

2

2

 8x  10xy  12y 2

2

2

 2(4x  5xy  6y )  2(4x + 3y)(x  2y) 64d 3  27e 3  (4d ) 3  (3e) 3

5. C

2

(5x  y)  17x  13y  25x  10xy + y  17x  13y

 (4d  3e)[(4d ) 2  (4d )(3e)  (3e) 2 ]  (4d  3e)(16d 2  12de  9e 2 )

P.3

2

1.

36  60a  25a 2  (5a  6) 2

2.

9 x 2  30x  25  (3x  5) 2

3.

4 x 2  12x  9  (2 x  3) 2

4. 49a 2  14a  1  4 x 2  4 x  1  (49a 2  14a  1)  (4 x 2  4 x  1)  (7a  1) 2  (2 x  1) 2  (7a  1  2 x  1)[(7a  1)  (2 x  1)]  (7a  2 x  2)(7a  2 x)

5. x 4  x 2 y 2  y 4  x 4  2 x 2 y 2  y 4  x 2 y 2

 ( x 2  y 2 ) 2  ( xy) 2  ( x 2  y 2  xy)( x 2  y 2  xy) 6. (a)

25  10x  x 2  ( x  5) 2

(b) 25  10(n  1)  (n  1) 2  [(n  1)  5] 2 [By the r esult of (a)]

 (n  4) 2 7. 15x 2  27x  54  3(5 x 2  9 x  18)  3(5x  6)(x  3) 8. 4ax 2  3ax  52a  a(4 x 2  3x  52)  a(4 x  13)(x  4) 9. 7 xy 5  7 x 4 y 2  7 xy 2 ( y 3  x 3 )  7 xy 2 ( x  y)(x 2  xy  y 2 ) 10. (a) (b)

x 3  8  x 3  2 3  ( x  2)(x 2  2 x  4)

x 3  6 x  4  x 3  8  6 x  12  ( x 3  8)  6( x  2)  ( x  2)(x 2  2 x  4)  6( x  2) [By the r esult of (a)]  ( x  2)[(x 2  2 x  4)  6]

 ( x  2)(x 2  2 x  2)

P.4

Related Documents

School Paper
June 2020 4
Test Paper
May 2020 11
Test Paper
November 2019 12
Test Paper
June 2020 13
Test Paper
May 2020 6