Question 84703This question is from textbook Intermediate Algebra
: IS the line that contains the points (4,-3) and (5,5) parallel to the line that contains the points (-2,-3) amd )-4,1)?
This question is from textbook Intermediate Algebra
Answer by uma(370)   (Show Source):
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Slope of the line that contains the points (4,-3) and (5,5) = (5-(-3))/(5-4)
= (5+3)/1
= 8
Slope of the line that contains the points (-2,-3) amd )-4,1)
= (1-(-3))/(-4-(-2))
= (1+3)/(-4+2)
= 4/-2
= -2
As both the slopes are not equal, the lines are not parallel.
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