Page 247 - Math Smart - 7
P. 247

UNIT 11





               Coordinate




               Geometry






               and Graphs                                                                                   Cape Town







                       You will learn about:
                             Reading and plotting coordinates in all four quadrants
                             Writing coordinate pairs that satisfy a linear equation
                             Plotting graphs corresponding to the linear equations

                             Recognising straight line graphs
                             Drawing and interpreting graphs in real life contexts









            are exposed to a variety of data
            jr everyday lives. A line graph  '
            I  coordinate grid is a statistical                                 Table Mountain
            used In several Industries to   ^                                    National Park
            ent data effectively. Line graphs can         ■xamptfl
           :ate trends such as increase, decrease
           0 change. For example, the changes in'
            perature over a period of time. It Is useful  ^
                                                                           Camps Bay
            »arn how to Interpret graphs accurately and
            kly In order to understand data without
            ng to process a large amount of numbers,
            ket researchers, bankers, engineers,     -f
                                                        ■
            itists and doctors use line graphs frequently
            elp them Identify trends and formulating
            erns. Graphs help them make sense of
            data they have collected, and can also be
            1 to predict future patterns and trends,
            gie Earth uses coordinates from satellite
            rmatlon to Identify places and landmarks
                                                                imagery
            I as airports, places of interest and shops.
           j could this information be used?
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