document.write( "Question 515038: what are the slopes of these lines, and the slopes of lines parallel to them?:\r
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document.write( "1.) y = 2/3x - 7\r
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document.write( "2.) y - 4 = -8/17(x-3)\r
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document.write( "3.) x = 4y + 2\r
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document.write( "4.) the line through (2, 8) (-4, -7) \n" );
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Algebra.Com's Answer #343708 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! what are the slopes of these lines, and the slopes of lines parallel to them?: \n" ); document.write( "============================================= \n" ); document.write( "1.) y = 2/3x - 7 \n" ); document.write( "Compare the above equatoin with the Equation of the Stright line Standard form. \n" ); document.write( "y=mx+b \n" ); document.write( "Slope = m = 2/3 \n" ); document.write( "=============================================== \n" ); document.write( "2.) y - 4 = -8/17(x-3) \n" ); document.write( "Rearrage the above euqation \n" ); document.write( "y=-8/17(x-3)+4 \n" ); document.write( "y=-8/17(x)-(-8/17)(3)+4 \n" ); document.write( "y=-8/17(x)+(24/17)+4 \n" ); document.write( "y=-8/17(x)+(24+68)/17 \n" ); document.write( "y=-8/17(x)+92/17 \n" ); document.write( "Compare the above equation with the Equation of the Stright line Standard form. \n" ); document.write( "y=mx+b \n" ); document.write( "Slope=m=-8/17 \n" ); document.write( "============================================ \n" ); document.write( "3.) x = 4y + 2 \n" ); document.write( "Rearrage the equation \n" ); document.write( "x-2=4y \n" ); document.write( "(x-2)/4=4y/4 \n" ); document.write( "(x-2)/4=y \n" ); document.write( "x/4-2/4=y \n" ); document.write( "1/4(x)-1/2=y \n" ); document.write( "y=1/4(x)-1/2 \n" ); document.write( "Compare the above equation with the Equation of the Stright line Standard form. \n" ); document.write( "y=mx+b \n" ); document.write( "Slope = m = 1/4 \n" ); document.write( "=========================================================================== \n" ); document.write( "4.) the line through (2, 8) (-4, -7) \n" ); document.write( "Use equation of straight line point-slope form \n" ); document.write( "m=y2-y1/x2-x1 \n" ); document.write( "m=-7-8/-4-2 \n" ); document.write( "m=-15/-6 \n" ); document.write( "m=5/2 \n" ); document.write( "Slope = m = 5/2\r \n" ); document.write( "\n" ); document.write( "Since parallel lines have same slope, therefore lines parallel to them will have same slope. \n" ); document.write( " |