document.write( "Question 40426: What is the x-intercept of the graph of 4x + 3y = 12 ?
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Algebra.Com's Answer #25786 by AnlytcPhil(1806) $\"\"$ $\"About$

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What is the x-intercept of the graph of 4x + 3y = 12 ?\r\n" );
document.write( "What is the y-intercept of the graph of 4x + 3y = 12 ?\r\n" );
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document.write( "To find the intercept point for x or y, substitute 0 for the OTHER\r\n" );
document.write( "letter, and solve for the remaining letter.  Then make an ordered \r\n" );
document.write( "pair, putting 0 for the OTHER letter.\r\n" );
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document.write( "In other words,\r\n" );
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document.write( "To find the x-intercept point, substitute 0 for the OTHER letter,\r\n" );
document.write( "y. and solve for the remaining letter x.  Then make an ordered pair,\r\n" );
document.write( "putting that for the x-coordinate, and 0 for the y-coordinate.\r\n" );
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document.write( "  4x + 3y = 12\r\n" );
document.write( "4x + 3(0) = 12\r\n" );
document.write( "   4x + 0 = 12\r\n" );
document.write( "       4x = 12\r\n" );
document.write( "        x = 3\r\n" );
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document.write( "Put 3 for the x-coordinate and 0 for the y-coordinate, and get\r\n" );
document.write( "the x-intercept as (3, 0).\r\n" );
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document.write( "To find the y-intercept point, substitute 0 for the OTHER letter,\r\n" );
document.write( "x. and solve for the remaining letter y.  Then make an ordered \r\n" );
document.write( "pair, putting that for the y-coordinate, and 0 for the \r\n" );
document.write( "x-coordinate.\r\n" );
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document.write( "  4x + 3y = 12\r\n" );
document.write( "4(0) + 3y = 12\r\n" );
document.write( "   0 + 3y = 12\r\n" );
document.write( "       3y = 12\r\n" );
document.write( "        y = 4\r\n" );
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document.write( "Put 4 for the y-coordinate and 0 for the x-coordinate, and get\r\n" );
document.write( "the y-intercept as (0, 4).\r\n" );
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document.write( "Now from the graph of 4x + 3y = 12 below, gotten by plotting\r\n" );
document.write( "points, we see that the line crosses the x-axis at the point\r\n" );
document.write( "(3, 0) and the y-axis at the point (0, 4).\r\n" );
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document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com

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