Monday 5 September 2016

L6 FM Homework

Total: 10 marks. Show all working out. Those not showing mathematical rigour will be penalised.
  1. Factorise fully $6x^2-7x-20$

    [2 marks]

  2. Simplify as far as possible: \[ \frac{8}{4^{5x-1}}=\sqrt{32^{3+x}} \]

    [4 marks]

  3. Simplify as far as possible: \[ \frac{26}{\sqrt {13}} - \frac{8}{\sqrt{13} - \sqrt{11}} \]

    [4 marks]

No comments:

Post a Comment