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Julli [10]
3 years ago
8

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

Mathematics
1 answer:
elixir [45]3 years ago
8 0

Answer:

See below

Step-by-step explanation:

<em>See attached</em>

<h3>Given points:</h3>
  • (-3, 2), (1, -2) and (9, -10)
<h3>Method 1</h3>
  • Plot points on a graph and connect them, if they make a straight line, then they are collinear
<h3>Method 2</h3>
  • 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

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