document.write( "Question 825796: The line containing A(0,7) and B(7,0)
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Algebra.Com's Answer #497677 by math-vortex(648)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hi, there--\r\n" );
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document.write( "THE PROBLEM:\r\n" );
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document.write( "The line containing A(0,7) and B(7,0)\r\n" );
document.write( "Find:\r\n" );
document.write( "M= ?\r\n" );
document.write( "Point slope form= ?\r\n" );
document.write( "Slope intercept form= ?\r\n" );
document.write( "Standard form= ? \r\n" );
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document.write( "A SOLUTION:\r\n" );
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document.write( "Find the slope M of the find between these two points.\r\n" );
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document.write( "\"M=%28y%5BB%5D-y%5BA%5D%29%2F%28x%5BB%5D-x%5BA%5D%29\"\r\n" );
document.write( "\"M=%280-7%29%2F%287-0%29\"\r\n" );
document.write( "\"M=-1\"\r\n" );
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document.write( "The slope of this line is -1.\r\n" );
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document.write( "Find the equation for the line in point-slope form. For point-slope form we need the slope and one point. I'll use point A but either one will work. Point-slope form is\r\n" );
document.write( "\"y-y%5BA%5D%29=M%2A%28x-x%5BA%5D%29\"\r\n" );
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document.write( "Substitute values for the coordinates for point A and the slope.\r\n" );
document.write( "\"y-%287%29=%28-1%29%2A%28x-%280%29%29\"\r\n" );
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document.write( "This is the equation in point-slope form.\r\n" );
document.write( "\"y-7=-%28x-0%29\"\r\n" );
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document.write( "Rewrite this equation in slope-intercept form. Slope-intercept form looks like y=mx+b.\r\n" );
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document.write( "\"y-7=-%28x-0%29\"\r\n" );
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document.write( "Simplify the right side.\r\n" );
document.write( "\"y-7=-x\"\r\n" );
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document.write( "Isolate y on the left. Simplify. This is the equation in slope-intercept form.\r\n" );
document.write( "\"y=-x%2B7\"\r\n" );
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document.write( "Rewrite the equation in standard form. Standard form looks like Ax + By = C, where A, B, and C are constants.\r\n" );
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document.write( "\"y=-x%2B7\"\r\n" );
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document.write( "Add x to both sides.\r\n" );
document.write( "\"x%2By=7\"\r\n" );
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document.write( "Hope this helps! Feel free to email if you have any questions.\r\n" );
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document.write( "Mrs. Figgy\r\n" );
document.write( "math.in.the.vortex@gmail.com\r\n" );
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