Question

Match each pair of points to the equation of the line that is parallel to the line passing through the points.

Answer 1

If we identify the lines by ...
  1. y = -0.5x -3
  2. y = -3.5x -15
  3. y = 5x +19
  4. y = 1.25x +4

Then the matches are ...
  BC - 2
  DE - 1
  FG - none
  HI - 4
  JK - none
  LM - 3

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Whenever there is a lot of repetitive math to do, I usually find it easier to let a calculator or spreadsheet do it. Here, the graphing calculator is computing the slope between the points. The slopes of parallel lines are the same.