3 years ago

Given two linear equations, explain how you can determine if the lines are parallel without graphing them

1 answer:

7 0

Hello :
let A and B two points in the first line calculate the slope : <span>: (YB - YA)/(XB -XA)
</span>let C and D two points in the second line calculate the slop (YC - YD)/(XC -XD)
you are slope

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