document.write( "Question 184173: #3
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document.write( "what does this look like in a graph after being plotted out?
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document.write( "First, set Y to 0 then solve for X
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document.write( " 2X - 7
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document.write( " 2X = -7
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document.write( " X = -7/2
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document.write( " Now plot (-7/2, 0)
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document.write( " Then set X to 0 and solve for Y
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document.write( " Y = -2(0) - 7
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document.write( " Y = -7
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document.write( " Now plot (0,-7)
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document.write( " 1 = -2x -7
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document.write( " 8 = -2x
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document.write( " 8/-2 = x
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document.write( " x = -4
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document.write( " Plot (-4, 1)\r
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document.write( "I figured out this much, but cannot figure out how to get the graph. the original problem was to graph: 7.1x - 3.9y = 1.4\r
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document.write( "Help is appreciated. This is going on for quite a while and I really want to find the way to do this. \n" );
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Algebra.Com's Answer #138207 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! what does this look like in a graph after being plotted out? \n" ); document.write( "First, set Y to 0 then solve for X \n" ); document.write( "2X - 7 \n" ); document.write( "2X = -7 \n" ); document.write( "X = -7/2 \n" ); document.write( "Now plot (-7/2, 0) \n" ); document.write( "Then set X to 0 and solve for Y \n" ); document.write( "Y = -2(0) - 7 \n" ); document.write( "Y = -7 \n" ); document.write( "Now plot (0,-7) \n" ); document.write( "1 = -2x -7 \n" ); document.write( "8 = -2x \n" ); document.write( "8/-2 = x \n" ); document.write( "x = -4 \n" ); document.write( "Plot (-4, 1) \n" ); document.write( "I figured out this much, but cannot figure out how to get the graph. the original problem was to graph: 7.1x - 3.9y = 1.4 \n" ); document.write( "Help is appreciated. This is going on for quite a while and I really want to find the way to do this. \n" ); document.write( "---------------------- \n" ); document.write( "It's a straight line, so only 2 points are needed to graph it. \n" ); document.write( "7.1x - 3.9y = 1.4 \n" ); document.write( "Set x = 0, solve for y, as you said, but I don't know where you get your numbers. \n" ); document.write( "at x = 0: 7.1*0 - 3.9y = 1.4 \n" ); document.write( "y = -14/39 --> (0,-14/39) \n" ); document.write( "------------ \n" ); document.write( "at y = 0: 7.1x = 1.4 \n" ); document.write( "x = 14/71 --> (14/71,0) \n" ); document.write( "The 2 points are (apx) (0,-0.359) and (0.197,0)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |