Page 5 - Math Booklet Prep1first part1_Neat
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E.X (1) If      3 = ??  then ?? = ........

                5 20           ?? = 3 × 20 = 12

                                                  5

E.X (2) If  12  = ??    then ?? = ........
            15
                   10          ?? = 12 × 10 = 8

                                                  15

            If the graph is a straight line that passes through the
            origin (0,0), the relationship is proportional.

Examples:

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