Algebra.Com's Answer #73139 by jim_thompson5910(35256)  You can put this solution on YOUR website! \"WRITE AN EQUATION FOR EACH LINE\r \n" );
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document.write( "with a slope of 2 and a y-intercept of 4\"\r \n" );
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document.write( "When you have a y-intercept of 4, that means the point (0,4) is on the line\r \n" );
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document.write( "If you want to find the equation of line with a given a slope of which goes through the point ( , ), you can simply use the point-slope formula to find the equation:\r \n" );
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document.write( "---Point-Slope Formula--- \n" );
document.write( " where is the slope, and is the given point\r \n" );
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document.write( "So lets use the Point-Slope Formula to find the equation of the line\r \n" );
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document.write( " Plug in , , and (these values are given)\r \n" );
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document.write( " Distribute \r \n" );
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document.write( " Multiply and to get \r \n" );
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document.write( " Add 4 to both sides to isolate y\r \n" );
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document.write( " Combine like terms and to get \r \n" );
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document.write( "------------------------------------------------------------------------------------------------------------\r \n" );
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document.write( "Answer:\r \n" );
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document.write( "So the equation of the line with a slope of which goes through the point ( , ) is:\r \n" );
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document.write( " which is now in form where the slope is and the y-intercept is \r \n" );
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document.write( "Notice if we graph the equation and plot the point ( , ), we get (note: if you need help with graphing, check out this solver)\r \n" );
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document.write( " Graph of through the point ( , )\r \n" );
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document.write( "and we can see that the point lies on the line. Since we know the equation has a slope of and goes through the point ( , ), this verifies our answer.\r \n" );
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document.write( " \r \n" );
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document.write( "\"WRITE AN EQUATION FOR EACH LINE\r \n" );
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document.write( "through (0,-4) and with a slope of 1.5\"\r \n" );
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document.write( "when you have a slope of 1.5, you really have a slope of \r \n" );
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document.write( "\n" );
document.write( "If you want to find the equation of line with a given a slope of which goes through the point ( , ), you can simply use the point-slope formula to find the equation:\r \n" );
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document.write( " \n" );
document.write( "\n" );
document.write( "---Point-Slope Formula--- \n" );
document.write( " where is the slope, and is the given point\r \n" );
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document.write( "So lets use the Point-Slope Formula to find the equation of the line\r \n" );
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document.write( " Plug in , , and (these values are given)\r \n" );
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document.write( " Rewrite as \r \n" );
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document.write( " Distribute \r \n" );
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document.write( " Multiply and to get \r \n" );
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document.write( " Subtract 4 from both sides to isolate y\r \n" );
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document.write( " Combine like terms and to get \r \n" );
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document.write( "------------------------------------------------------------------------------------------------------------\r \n" );
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document.write( "Answer:\r \n" );
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document.write( "So the equation of the line with a slope of which goes through the point ( , ) is:\r \n" );
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document.write( " which is now in form where the slope is and the y-intercept is \r \n" );
document.write( " \n" );
document.write( "\n" );
document.write( "Notice if we graph the equation and plot the point ( , ), we get (note: if you need help with graphing, check out this solver)\r \n" );
document.write( " \n" );
document.write( "\n" );
document.write( " Graph of through the point ( , )\r \n" );
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document.write( "and we can see that the point lies on the line. Since we know the equation has a slope of and goes through the point ( , ), this verifies our answer. \n" );
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