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Step-by-step Answer
PAGE: 100SET: ExercisesPROBLEM: 7
Please look in your text book for this problem Statement

slope of a line = rise/run = difference of y-coordinates/difference of x-coordinates

Given points are

Next, find the slope.

Substitute 8 for y21 for y1, 3 for x2, and 6 for x1  in slope formula.

           (Subtract: )

                 (Subtract: )

                 (Cancel common signs)

                       (Cancel common terms)

You know the slope and a point on the line, so use point - slope form

with either given point to write an equation of line.

Choose

        (Substitute 1 for y1, 6 for x1 and )       

     (Apply distributive property: )

              (Multiply: )

  (Add 1 to each side)

        (Apply additive inverse property: )

              (Apply additive identity property: )

                           (Add: )

The equation of line is .



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