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Math and Arithmetic

A line connecting 2 1 to another point has a slop of 3 what is closest point with whole number coordinates above 2 1?

Answer

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October 28, 2017 1:34PM

slope = change_in_y / change_in_x

→ change_in_y = slope × change_in_x

The first point with a whole number for the x-coordinate above (2, 1) will have an x-coordinate of 3 = 2 + 1

→ change_in_x = 1

→ change_in_y = 3×1 = 3

→ new y = 1 + 3 = 4

→ The first point above (2, 1) with whole number coordinates on the given line is (3, 4).