SOLUTION: What is the slope of a line (a) paraell, and (b) perpendicular to the line through points (5,7) and (0,3)?

Question 171407: What is the slope of a line (a) paraell, and (b) perpendicular to the line through points (5,7) and (0,3)?
Found 2 solutions by Alan3354, Mathtut:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What is the slope of a line (a) paraell, and (b) perpendicular to the line through points (5,7) and (0,3)?
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The slope, m, of the line thru the points is (diff in y)/(diff in x)
m = (7-3)/(5-0) = 4/5
All lines parallel has the same slope, 4/5.
All lines perpendicular have a slope that the negative inverse, -5/4.

Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
ok lets find the slope first m=rise/run or change in y/change in x.
:
m=3-7/0-5=4/5
:
so any line parallel to a line thru these two point must have the same slope of . Any line perpendicular to a line passing through these point have to have the - inverse of the slope 4/5 which is
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