tazo tazo
  • 13-09-2017
  • Mathematics
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This question made me stuck lol.. I really need help

This question made me stuck lol I really need help class=

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texaschic101
texaschic101 texaschic101
  • 13-09-2017
(4,5)(2,1)
slope = (1 - 5) / (2 - 4) = -4/-2 = 2

(-2,3)(-4,4)
slope = (4 - 3) / (-4 - (-2) = 1/(-4 + 2) = -1/2

2 and -1/2 are negative reciprocals of each other....therefore, ur lines are perpendicular <==


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