Page 26 - Steady Mate Tg1 - Book A
P. 26

Matematik  Tingkatan 1  Bab 3 Kuasa Dua, Punca Kuasa Dua, Kuasa Tiga dan Punca Kuasa Tiga

                  Contoh                              3  2  3   3                        1  2   7  2
                                                                                       1 2 1 2
                                                  5.   1 2     =   8   ×   8        6.  2  3     =   3
                                                      8
               1 2 2    =   5   ×   5                        9                               =   7   ×   7
                5
                          6
                      6
                6

                                                          =
                                                            64                                 3   3
                      25
                    =                                                                          49
                      36                                                                     =
                                                                                               9
                                                                                                4
                                                                                             = 5
                                                                                                9
                  Contoh                          7.  96  = 9 216                   8.  108  = 11 664
                                                       2
                                                                                          2
               67  = 4 489
                 2
                Guna kalkulator, tekan
                Use calculator, press
                 6   7   x   =
                       2
                  Contoh                          9.  (– 0.88)  = 0.7744           10.  (–1.23)  = 1.5129
                                                                                             2
                                                           2
                    2
               (–7.7)  = 59.29
                Guna kalkulator, tekan
                Use calculator, press
                                  2
                 (   –   7   •   7   )   x   =

                  Contoh                                19  2  361                         5  2    25
                                                     1
                                                                                       1
                                                  11.  –   31 2    =   961         12.  – 6  12 2    = 41  144
               1 –   23 2 2   =   529
                  29
                        841
                Guna kalkulator, tekan
                Use calculator, press
                                       2
                 (   –   2   3   /   2   9   )   x   =





               D    Cari nilai bagi setiap yang berikut.   TP 2   ARAS R
                    Find the value of each of the following.

                  Contoh                  1.   36 =  6 × 6         2.   81 =  9 × 9          3.   196 =  14 × 14



                                                 = 6                       = 9                       = 14

                 169 =  13 × 13
                     = 13
                  Contoh                  4.   4.41 =  2.1 × 2.1    5.   0.49 =  0.7 × 0.7    6.   0.0025 =  0.05 × 0.05



                                                  = 2.1                     = 0.7                      = 0.05

                 1.44 =  1.2 × 1.2
                     = 1.2

              © Penerbitan Pelangi Sdn. Bhd.                    24
   21   22   23   24   25   26   27   28   29   30   31