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Is AB parallel to CD?
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3 votes
Is AB parallel to CD?

Is AB parallel to CD?-example-1
User Robin Karlsson
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1 Answer

3 votes
You have to evaluate the slopes of these lines. For line AB you have a slope of

(1 - ( - 3))/(0 - ( - 3)) = (4)/(3)
For line CD you have a slope of

( - 1 - ( - 5))/(3 - 0) = (4)/(3)
Because the slopes are equal and the two lines are not one and the same, they are parallel.
User DeeTee
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