Page 202 - Mathematics_Form_Two
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Chapter name


                    3                                  Revision exercise 1
           3.      y =  4                                     8

                    5                                 1.   k =  ,  y =  320
           4.      y =                                        7        7
                    4                                 2.     y = 37.5 ,   x =  3.36
                    4
           5.    y = 8 3                              3.    y =  33  , x     x =  49
          FOR ONLINE READING ONLY
     Mathematics for Secondary Schools  7.     y = 1.5  ,    32.8  4.   y = 2,  b = 10,   64.2 15
                                                               7
                                                                        11
           6.
                q =
                                                              8
                                                                x
                                                                 2
                                                                  ,   y =
                                                              9
                                                              7
                    2
           8.    y =
                                                           y =
                                                      5.
                                                                         8.75
                                                                   , x   y =
                                                              4
                     12
                                                      6.  a =
           9.    y =
                                                                         c =
                     3
           10.  (a)   t = x 5      (b)  20 m/s        7.   y =  25x ,   y = 15
                                                               4z
                       v                              8.         2
           11.   155.73 cm                                 y = 3xz  , x = 8
                                                      9.   y = 125
                                                               12
            Exercise 1�5                              10.  (a) Not       (b) Not    (c) Yes,  x = 12 .
           1.  51.25%                                 11.  (a) 5,400 l   (b) 44 min 27 sec
           2.  100                                    12.  (a) 36,000 l   (b) 100 min
                    kv                                       11.25 /100 kml
           3.  h =                                    13.  (a)                  (b) 67.5l
                    r 2                                   (c) 146.25l
           4.  x =  5
                                                      14.  Direct; As speed increases, distance

           5.  10 typists                                 travelled in a given time increases
                                                                  24           96
           6.   3 10                                  15  (a)   x =  y       (b)  x =  y

           7.  100                                        (c)   x = 10y

           9.  (a)        (b)    2                    16.  6.25 hours  3
                   6
                      kpq                              17.  10 days
           10. (a)  c =           (b)  d =  ktr
                                            2
                       s                              18.  5 days
               (c) d = ky z                           19.   269.3 lux

                                                             1
           11.  k = 1,000,   Tshs 50,000              20.  13 h     (b)  11h 6 min
                                                             3
           12.  k =  21,000,   Tshs 126,000           21.  2h 15 min


                                                   196
                                                                            Student's Book Form Two


                                                                                          11/10/2024   20:14:28
     MATHEMATIC F2 v5.indd   196                                                          11/10/2024   20:14:28
     MATHEMATIC F2 v5.indd   196
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