document.write( "Question 683025: Find the equation of the line which passes through the points (-1,4) and (
\n" ); document.write( "-3,-4). \n" ); document.write( "
Algebra.Com's Answer #423459 by ReadingBoosters(3246)\"\" \"About 
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1. Find slope: \"%28x1-x2%29%2F%28y1-y2%29+=+%284--4%29%2F%28-1--3%29+=+8%2F2+=+4\"
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\n" ); document.write( "2. Use slope with one point in point-slope formula
\n" ); document.write( "y - 4 = 4(x--1)
\n" ); document.write( "y - 4 = 4(x+1)
\n" ); document.write( "y - 4 = 4x + 4
\n" ); document.write( "y = 4x + 4 + 4
\n" ); document.write( "\"highlight_green%28y+=+4x+%2B+8%29\"\r
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