document.write( "Question 105573: write the equation of the line that passes through point (6,-7) with a slope of -2. \n" ); document.write( "
Algebra.Com's Answer #76812 by HyperBrain(694)\"\" \"About 
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let us use the y-intercept form of the line:\r
\n" ); document.write( "\n" ); document.write( "\"y=mx%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "where m=the slope
\n" ); document.write( "______b=y-intercept\r
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\n" ); document.write( "\n" ); document.write( "Since the line passes through (6,-7),we will use x=6 and y=-7.Furthermore, it is given that m=-2.Thus,\r
\n" ); document.write( "\n" ); document.write( "\"-7=-2%2A6%2Bb\"
\n" ); document.write( "\"-7=-12%2Bb\"
\n" ); document.write( "\"-12%2Bb=-7\"
\n" ); document.write( "\"-12%2B12%2Bb=-7%2B12\"
\n" ); document.write( "\"b=5\"\r
\n" ); document.write( "\n" ); document.write( "Thus, the slope-intercept for, of the equation of the line is \r
\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B5\"\r
\n" ); document.write( "\n" ); document.write( "or, transforming this to the General Equation of the Line,\r
\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B5\"
\n" ); document.write( "\"y-%28-2x%2B5%29=-2x%2B5-%28-2x%2B5%29\"
\n" ); document.write( "\"y%2B2x-5=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "GRAPH:
\n" ); document.write( "\"graph%281200%2C1200%2C-50%2C50%2C-50%2C50%2C-2x%2B5%29\"\r
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\n" ); document.write( "\n" ); document.write( "Power up,
\n" ); document.write( "HyperBrain!
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