document.write( "Question 1133915: Find the equation of the line using the point-slope formula. Write the final equation using the slope-intercept form.
\n" ); document.write( "perpendicular to 5y = x − 4 and passes through the point (−2, 1)
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Algebra.Com's Answer #751152 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "Find the equation of the line using the point-slope formula.\r
\n" ); document.write( "\n" ); document.write( "\"y=mx%2Bb\" where \"m\" is a slope and \"b\" is y-intercept\r
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\n" ); document.write( "\n" ); document.write( "if line is perpendicular to line \"5y+=+x+-4\", it has a slope negative reciprocal to a slope of the line \"5y+=+x+-4\"\r
\n" ); document.write( "\n" ); document.write( "a slope of the line \"5y+=+x+-4\"=>\"y+=+%281%2F5%29x+-4%2F5\" is \"1%2F5\"=>negative reciprocal is \"-1%2F%281%2F5%29=-5\"\r
\n" ); document.write( "\n" ); document.write( "so far your line is \"y=-5x%2Bb\"\r
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\n" ); document.write( "\n" ); document.write( " and if passes through the point (\"-2\", \"1\"), use it to find \"b\"\r
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\n" ); document.write( "\n" ); document.write( "\"1=-5%28-2%29%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "\"1=10%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "\"1-10=b\"\r
\n" ); document.write( "\n" ); document.write( "\"b=-9\"\r
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\n" ); document.write( "\n" ); document.write( "your line is \"y=-5x-9\"\r
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