Year 9 - Maths - 3-2-16

Thai Sikh International School

E-Learning Programme – Online Assignment –   03/02/16

Name :                                                                                                                        Subject :  Maths

Year   :  9 A/B                                                                                                      Schedule No. :  6                       

   1.     Expand the following & simplify your answer.

a)     (x – 7 ) ( x + 4)         

b)     (6y + 3) (3y +1)      

c)      (7p-3) (4p+8)          

d)     (7-5y)²       

e)     (p –q) (p  + q) 

f)       (3x + 1)²

   2.     Factorise the following by grouping

       a)     4m + mx + 4n + nx

       b)    ab – 4cb + ac – 4c²

   3.     Factorise the following:

a)     81 – x²

b)    100 – y²

c)     x² – 100y²

   4.     By factorizing, evaluate the following.      

a)     225² – 8²

b)    2⁸ – 25

   5.     Factorise the following quadratic equation.

a)     X² + 7x + 12   

b)    X² + 20x + 36

c)     X² – 2x – 63

d)    3x² + 11x -4