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Question
Consider the given population and year graph. Find the slope of the line AB and using it, find what will be the population in the year 2010?
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Solution
Since line AB passes through points A (1985, 92) and B (1995, 97), its slope is
Let y be the population in the year 2010. Then, according to the given graph, line AB must pass through point C (2010, y).
∴Slope of AB = Slope of BC
Thus, the slope of line AB is 1/2 , while in the year 2010, the population will be 104.5 crores
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