A maths - linear law

• bonkysleuth

  13 Aug 08, 20:03

  variables x and y are related by the equation y = ax / x-b. the graph y against y/x has gradient 3 and y-intercept 2.

   

  (a) find value of a and b.

  (b) find value of x for which x=y.

   

  having a maths CT tomorrow, so please reply asap if you are able to help!

   

  lastly thanks!

• ^tamago^

  13 Aug 08, 20:13

  
  
  
  
  
  
  
  
  
  (a) a = 2, b = 3

  (b) x = a+b = 5.

• bonkysleuth

  13 Aug 08, 20:48

  • if you don't mind ^tamago^, could you further explain how you solve the second question?  i mean part 2 of the question.
• yong93

  13 Aug 08, 20:50

  lols u have test tmr also , same same ^^

• ^tamago^

  13 Aug 08, 21:13

  Originally posted by bonkysleuth:

  • if you don't mind ^tamago^, could you further explain how you solve the second question?  i mean part 2 of the question.

  
  simultaneous equations.....