Practice with Parallel and Perpendicular Lines

1. Are the lines in the figure parallel, perpendicular, or neither?

   
   

   Choose 1 answer:
   

   1. Parallel
   2. Perpendicular

   3. Neither

2. One line passes through the points ‍(-2,1) and ‍(4, 9). Another line passes through points ‍(-3, 8) and (5, 2).

   Are the lines parallel, perpendicular, or neither?
   

   Choose 1 answer:
   

   1. Parallel
   2. Perpendicular
   3. Neither

3. Are the lines in the figure parallel, perpendicular, or neither?

   
   

   Choose 1 answer:
   

   1. Parallel
   2. Perpendicular

   3. Neither

4. One line passes through the points ‍(-7, -4) and ‍(5, 4). Another line passes through points ‍(-4, 6) and (6, -9).

   Are the lines parallel, perpendicular, or neither?
   

   Choose 1 answer:
   

   1. Parallel
   2. Perpendicular
   3. Neither

Source: Khan Academy, https://www.khanacademy.org/math/geometry/hs-geo-analytic-geometry/hs-geo-parallel-perpendicular-lines/e/classifying-lines-as-parallel--perpendicular--or-neither
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