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Number - Open Questions and Writing

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					            Number - Open Questions and Writing

  How many questions involving surds and/or indices can
        you create which give the answer 2 ?

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                  This solution is wrong – why?
                                     1           3

                     2 2
                        3            2
                                             2   2


                                 1   3              3    20  1
                      2 
                       
                             
                                 2           2
                                                 
                                                     2


                       
 Can you create a solution with one and only one mistake
                          in it?

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       What is the same and what is different about

                            y = 2x and y = 3-x ?

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                         
                                                              11
                   0.1 2 is equivalent to
                                                              90

                             How do you know?

				
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Description: Number - Open Questions and Writing