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Slope Formula mini-quiz

Find the slope of the line passing through the points (1, 1) and (2, 3). slope24.gif (1031 bytes)
slope formula:  slope formula

1: In the slope formula, on top we get:
  (1) (3)
  (1) (2)
  (1) (1)
  (3) (1)
  (3) (2)

2: This simplifies as:
  4
  2
  2
  4
  something else

3: In the slope formula, underneath we get:
  (2) (3)
  (2) (1)
  (1) (3)
  (1) (2)
  (1) (1)

4: This simplifies as:
  3
  1
  1
  2
  something else

5: So the slope is:
  m = 3
  m = 4
  m = 1/2
  m = 1/3
  m = 1/4


 

 

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