document.write( "Question 114699: find the equation of the line parallel to x = 2y +12, passing thru (0,6) \n" ); document.write( "
Algebra.Com's Answer #83475 by HyperBrain(694)\"\" \"About 
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The slope intercept form is \"y=mx%2Bb\" where m is the slope and b is the y-intercept.\r
\n" ); document.write( "\n" ); document.write( "To be parallel the line must have the same slope.\r
\n" ); document.write( "\n" ); document.write( "Transposing x=2y+12 to slope-intercept,\r
\n" ); document.write( "\n" ); document.write( "\"x=2y%2B12\"
\n" ); document.write( "\"2y%2B12=x\"
\n" ); document.write( "\"2y%2B12-12=x-12\"
\n" ); document.write( "\"2y%2B0=x-12\"
\n" ); document.write( "\"2y=x-12\"
\n" ); document.write( "\"2y%2F2=%28x-12%29%2F2\"
\n" ); document.write( "\"y=x%2F2-6\"\r
\n" ); document.write( "\n" ); document.write( "Here, \"m=1%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "Now, we must find a line that passes through (0,6) and has a slope of \"1%2F2\".\r
\n" ); document.write( "\n" ); document.write( "Since the line passes through (0,6), we will use x=0 and y=6\r
\n" ); document.write( "\n" ); document.write( "\"y=mx%2Bb\"
\n" ); document.write( "\"0=%281%2F2%29%286%29%2Bb\" --------------i used \"m=1%2F2\"
\n" ); document.write( "\"0=3%2Bb\"
\n" ); document.write( "\"b=-3\"\r
\n" ); document.write( "\n" ); document.write( "Now, we know that b=-3. So,
\n" ); document.write( "\"y=x%2F2%2B%28-3%29\"
\n" ); document.write( "\"y=x%2F2-3\"
\n" ); document.write( "This is the equation of the line. Proof? Look below!\r
\n" ); document.write( "\n" ); document.write( "\"graph%281000%2C1000%2C-20%2C20%2C-20%2C20%2Cx%2F2-3%2Cx%2F2-6%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "They are parallel!\r
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\n" ); document.write( "\n" ); document.write( "Power up,
\n" ); document.write( "HyperBrain!
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