SOLUTION: 1. Find the equation of the line joining the points ( 5, 1) and (-7, -7) ( 5 marks) 2. Find the equation of the line passing through the point (2, 1) and perpendicular to t

Algebra ->  Graphs -> SOLUTION: 1. Find the equation of the line joining the points ( 5, 1) and (-7, -7) ( 5 marks) 2. Find the equation of the line passing through the point (2, 1) and perpendicular to t      Log On


   



Question 1115263: 1. Find the equation of the line joining the points ( 5, 1) and (-7, -7) ( 5 marks)

2. Find the equation of the line passing through the point (2, 1) and perpendicular to the line 2y = 7 – x

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
1. Find the equation of the line joining the points ( 5,1) and (-7,-7) ( 5 marks)
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Step 1, find the slope, m
Step 2, use y-y1 = m*(x-x1) where (x1,y1) is either point.
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2. Find the equation of the line passing through the point (2,1) and perpendicular to the line 2y = 7 – x
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Find the slope of the given line.
The slope of lines perpendicular is the negative inverse of the slope of the given line.
---> Same as #1