document.write( "Question 1120391: Find the equation of the lines that are both passing through the point (10,-8) with slopes 5 and -1/5.\r
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document.write( "Answer: ___ x - y - ____ = 0
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document.write( " x + ___ y+ ____ = 0 \n" );
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Algebra.Com's Answer #736117 by Theo(13342)![]() ![]() You can put this solution on YOUR website! both lines pass through the point (10,-8). \n" ); document.write( "slope of the first line is 5. \n" ); document.write( "slope of the second line is -1/5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "use the point slope form of the equation to solve this.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "point slope form is (y-y1) = m * (x-x1) \n" ); document.write( "m is the slope \n" ); document.write( "y1 is the y-coordinate of the point. \n" ); document.write( "x1 is the x-coordinate of the point.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(y-y1) = m * (x-x1) becomes y+8 = 5 * (x-10)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get y + 8 = 5x - 50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 5x from both sides of this equation and subtract 8 from both sides of this equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y - 5x = -50 - 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y - 5x = -58\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply both sides of this equation by -1 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-y + 5x = 58\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "place the x variable ahead of the y variable to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x - y = 58\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 58 from both sides of the equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x - y - 58 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your solution is 5x - y - 58 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |