document.write( "Question 24900: Write the equation of the line L satisfying the given geometric conditions.\r
\n" ); document.write( "\n" ); document.write( "the first one is - L has y-intercept (0, -3) and is parallel to the line with equation y=2/3x + 1.\r
\n" ); document.write( "\n" ); document.write( "the second one is - L has y-intercept (0,2) and is perpendicular to the line with equation 2x-3y=6
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Algebra.Com's Answer #13391 by rapaljer(4671)\"\" \"About 
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The first line has the SAME slope as y = 2/3x + 1, which is m = 2/3. If its y intercept is -3, then the equation must be
\n" ); document.write( "\"y+=+%282%2F3%29x+-+3\"\r
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\n" ); document.write( "\n" ); document.write( "The second line must be perpendicular to 2x - 3y = 6. You have to solve for y in order to find the slope:
\n" ); document.write( "2x-3y = 6
\n" ); document.write( "-3y = -2x + 6\r
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\n" ); document.write( "\n" ); document.write( "Divide both sides by -3:
\n" ); document.write( "\"y+=%28-2x%29%2F%28-3%29+%2B+6%2F%28-3%29\"
\n" ); document.write( "\"y+=+%282%2F3%29x+-2\", so the slope of this line is \"2%2F3\".\r
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\n" ); document.write( "\n" ); document.write( "The slope of a line PERPENDICULAR to this line is the NEGATIVE RECIPROCAL of \"2%2F3\", which is \"-3%2F2\". If the line has a y intercept of 2, then the equation of the line is
\n" ); document.write( "\"y+=+%28-3%2F2%29x%2B+2\".\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC
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