Algebra.Com's Answer #201217 by Edwin McCravy(20055)![\"\"](\"/images/stars/stars-13.gif\")  
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Write an equation of the line with the given slope, m, and y-intercept (0,b).
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document.write( "m=-3/2, b=8\r
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document.write( "You learn that the slope-intercept form of the equation\r\n" );
document.write( "of a line is:\r\n" );
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document.write( "      \r\n" );
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document.write( "where m is the slope and (0,b) is the set of coordinates\r\n" );
document.write( "fior the point at which the line crosses the y-axis (called\r\n" );
document.write( "the y-intercept).\r\n" );
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document.write( "Then when you substitute  for and  for \r\n" );
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document.write( "then you will have the equation \r\n" );
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document.write( "and when you use that equation to get some points, plot\r\n" );
document.write( "them and draw a line through them, you will end up with\r\n" );
document.write( "this line:\r\n" );
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document.write( "You will notice that the line crosses the y-axis\r\n" );
document.write( "at the point (0,8). That's the y-intecept. You\r\n" );
document.write( "will also notice that the slope has a numerator\r\n" );
document.write( "and a denominator. Now follow the green lines:\r\n" );
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document.write( "1. The green lines start at the y-intecept and,\r\n" );
document.write( "since the slope is NEGATIVE, they go from there\r\n" );
document.write( "DOWN the numerator of the slope (-3) and then \r\n" );
document.write( "go right the denominator of the slope which is (2).\r\n" );
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document.write( "(When the slope is POSITIVE you go UP the number\r\n" );
document.write( "of units as the numerator and right the number of \r\n" );
document.write( "units of the denominator.) \r\n" );
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document.write( "Lines with positive slopes lean toward the right\r\n" );
document.write( "and lines with negative slopes lean toward the\r\n" );
document.write( "left. This line has a negative slope and leans\r\n" );
document.write( "to the left. The MORE the absolute value of the\r\n" );
document.write( "line the STEEPER it is and the LESS it leans.\r\n" );
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document.write( "Edwin \n" );
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