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Show that (-3, 2) (1, -2) and (9, -10) are collinear? ​
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Show that (-3, 2) (1, -2) and (9, -10) are collinear? ​

User Wzs
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1 Answer

6 votes

Answer:

See below

Explanation:

See attached

Given points:

  • (-3, 2), (1, -2) and (9, -10)

Method 1

  • Plot points on a graph and connect them, if they make a straight line, then they are collinear

Method 2

  • Chose 2 pairs of points and find a slope, if slopes are equal then they are collinear
  • m1 = (-2 - 2)/(1+3) = -1
  • m2 = (-10 +2)/(9 - 1) = -1

Show that (-3, 2) (1, -2) and (9, -10) are collinear? ​-example-1
User Tubstrr
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