hollyholly9702 hollyholly9702
  • 07-06-2017
  • Mathematics
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Given two linear equations, explain how you can determine if the lines are parallel without graphing them

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ghanami
ghanami ghanami
  • 07-06-2017
hello : 
let A and B two points in the first line calculate the slope : :   (YB - YA)/(XB -XA)
let C and D two points in the second line calculate the slop  (YC - YD)/(XC -XD)
you are slope 
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