document.write( "Question 716574: Write an equation with slope 3 through (6,-5)\r
\n" ); document.write( "\n" ); document.write( "Through (-4,-6) and (-5,8)\r
\n" ); document.write( "\n" ); document.write( "Through (6,-1) and parallel to y=3x+4
\n" ); document.write( "

Algebra.Com's Answer #439893 by lwsshak3(11628)\"\" \"About 
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Equation of a line: y=mx+b, m=slope, b=y-intercept
\n" ); document.write( "Write an equation with slope 3 through (6,-5)
\n" ); document.write( "y=3x+b
\n" ); document.write( "solve for b using coordinates of given point (6,-5)
\n" ); document.write( "-5=3*6+b
\n" ); document.write( "b=-5-18=-23
\n" ); document.write( "Equation:y=3x-23
\n" ); document.write( "..
\n" ); document.write( "Through (-4,-6) and (-5,8)
\n" ); document.write( "slope=∆y/∆x=(8-(-6))/(-5-(-4))=14/-1=-14
\n" ); document.write( "Equation: y=-14x+b
\n" ); document.write( "-6=-14*-4+b
\n" ); document.write( "b=-6-56=-62
\n" ); document.write( "Equation: y=-14x-62
\n" ); document.write( "..
\n" ); document.write( "Through (6,-1) and parallel to y=3x+4
\n" ); document.write( "slope=3
\n" ); document.write( "y=3x+b
\n" ); document.write( "-1=3*6+b
\n" ); document.write( "b=-19
\n" ); document.write( "equation: y=3x-19
\n" ); document.write( "
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