SOLUTION: determine rather the lines through each pair of point are parallel (2,-2) and (-8,10) (-7,-1) and (-2,5)
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Question 87908
This question is from textbook
introduction and intermediate algebra
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determine rather the lines through each pair of point are parallel (2,-2) and (-8,10) (-7,-1) and (-2,5)
This question is from textbook
introduction and intermediate algebra
Answer by
checkley75(3666)
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THE SLOPE OF THE FIRST SET OF POINTS IS (10+2)/(-8-2) OR 12/-10 OR -6/5
THE SLOPE OF THE SECOND SET IS (5+1)/(-2+7) OR 6/5
THUS THESE LINES ARE NOT PARALLEL BECAUSE THEY HAVE DIFFERENT SLOPE VALUES.