document.write( "Question 604821: Just checking to see if I did this problem correctly.
\n" ); document.write( "Find the equation of the line that goes through the points (-4,1) and (-1,4)
\n" ); document.write( "I found the slope of -1/-1 or -1
\n" ); document.write( "y = x + b
\n" ); document.write( "4 = -1 + b
\n" ); document.write( "5 = b
\n" ); document.write( "answer y = x + 5 ??
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Algebra.Com's Answer #381425 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
Your answer is correct. However, I'm not sure I followed how you got there.
\n" ); document.write( ".
\n" ); document.write( "slope of (-4,1) and (-1,4):
\n" ); document.write( "m = (y2-y1)/(x2-x1)
\n" ); document.write( "m = (4-1)/(-1-(-4))
\n" ); document.write( "m = (4-1)/(-1+4)
\n" ); document.write( "m = 3/3
\n" ); document.write( "m = 1
\n" ); document.write( ".
\n" ); document.write( "plug slope (above) and one point (-4,1) into \"point-slope\" form:
\n" ); document.write( "y - y1 = m(x - x1)
\n" ); document.write( "y - 1 = 1(x - (-4))
\n" ); document.write( "y - 1 = 1(x + 4)
\n" ); document.write( "y - 1 = x + 4
\n" ); document.write( "y = x + 5\r
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