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PAGE: 200SET: ExercisesPROBLEM: 1
Please look in your text book for this problem Statement

The equation  represents a constant rate of change and k is the

constant of variation.

Compare the equation  with equation .

The constant of variation is .

The slope m of a non vertical line through any two points is given by,

                    (Substitute  )

                          (Product of two same signs is positive)

                          (Additive indentity property: )

                             (Additive indentity property: )

Slope .

The slope m of the line that passes through the pair of points is .



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