document.write( "Question 1115263: 1. Find the equation of the line joining the points ( 5, 1) and (-7, -7) ( 5 marks)
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\n" ); document.write( "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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Algebra.Com's Answer #730148 by Alan3354(69443)\"\" \"About 
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1. Find the equation of the line joining the points ( 5,1) and (-7,-7) ( 5 marks)
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\n" ); document.write( "Step 1, find the slope, m
\n" ); document.write( "Step 2, use y-y1 = m*(x-x1) where (x1,y1) is either point.
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\n" ); document.write( "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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\n" ); document.write( "Find the slope of the given line.
\n" ); document.write( "The slope of lines perpendicular is the negative inverse of the slope of the given line.
\n" ); document.write( "---> Same as #1\r
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