document.write( "Question 50150: Could I get some help with graphing this equation: 4x - 3y = 12. Thank You \n" ); document.write( "

Algebra.Com's Answer #33331 by AnlytcPhil(1806) $\"\"$ $\"About$

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Could I get some help with graphing this equation: 4x - 3y = 12? \r\n" );
document.write( "Thank You\r\n" );
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document.write( "1.  Find the x-coordinate of the x-intercept by substituting 0 for y and\r\n" );
document.write( "    solving for x.  The y-coordinate of the x-intercept is 0.\r\n" );
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document.write( "      4x - 3y = 12\r\n" );
document.write( "    4x + 3(0) = 12\r\n" );
document.write( "           4x = 12\r\n" );
document.write( "            x = 12/4\r\n" );
document.write( "            x = 3\r\n" );
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document.write( "    So the x-intercept is (3,0)\r\n" );
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document.write( "2.  Find the y-coordinate of the y-intercept by substituting 0 for x and\r\n" );
document.write( "    solving for y.  The x-coordinate of the y-intercept is 0.\r\n" );
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document.write( "     4x - 3y = 12\r\n" );
document.write( "   4(0) - 3y = 12\r\n" );
document.write( "         -3y = 12\r\n" );
document.write( "           y = -4\r\n" );
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document.write( "    So the x-intercept is (0,-4)\r\n" );
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document.write( "3. Plot these two points: (3,0) is on the x-axis 3 units right of the\r\n" );
document.write( "   origin and (0,-4) is on the y-axis 4 units below the origin. \r\n" );
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document.write( "Then draw a line through those two points:\r\n" );
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document.write( "          \r\n" );
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document.write( "Edwin

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