Test sinovi 2

TEST SINOVI 2

1. 
   Expand. (x + 4)(x + 5)(x – 4);
   
2. 
   Simplify. ;
   
3. 
   Simplify. 2W³X² * 3W⁴X;
   
4. 
   Solve. ;
   
5. 
   Solve this simultaneous equation. 3x – y = 17 =0;
   
6. 
   Work out the following giving your answers in the simplest form. ;
   
7. 
   Simplify fully. ;
   
8. 
   Simplify fully. ;
   
9. 
   Find the values of c and d. Give reasons for each value you find.
   
   
10. 
    Expand and simplify. (a-b)(a²+ab+b²);
    
11. 
    6 write a short copulation formula?
    
12. 
    Simplify the following expression (6n – 3n )* (2n +n)
    
13. 
    A rectangle has a perimeter of 34 cm
    
    
14. 
    Factorise y² + 3y – 108
    
15. 
    Solve x² + (x + 1)² = (2x – 1)(x + 4);
    
16. 
    The tiled pattern below is made up of a
    number of L shaped tiles. Each tile is the same size
    
    
17. 
    The cost of 6 oranges and 5 apples is $2.40.
    The cost of 5 oranges and 6 apples cost $2.55.
    Find the cost of 3 apples and 3 oranges
    
18. 
    Factorise 3x² + 4x – 15;
    
19. 
    Factorise fully ( x+1)² – 25;
    
20. 
    Nadia makes some cupcakes. She eats 30% herself.
    She shares the rest out between her brother and her sister in the ratio of 3:2.
    What fraction of the cupcakes did she give to her sister?
    
21. 
    Find. HCD(28 and 36), LCM(48 and 108);
    
22. 
    
23. 
    
    
24. 
    Work out the volume of the cuboid made by the net shown below.
    
25. 
    A sequence has the first four terms
    x, 2x + y, 3x + 2y, 4x + 3y… What is the 6th term of this sequence?
    
26. 
    The sum of the first four terms is 5 and the fifth term has the value of 1.
    Find the values of x and y. x, 2x + y, 3x + 2y, 4x + 3y…
    
27. 
    An oil tank weighs 250 kg when it is full.
    What is the weight of the empty oil tank?
    
28. 
    From the diagram below find the values of the following angles?
    
29. 
    Give the equation of each straight line in the form y = mx + c.
    
30. 
    Expand and simplify
    (x – 2)(3x + 2)(x + 5)