document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=568540>Question 568540</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an equation that describes the line that passes through [-3,1] and is parallel to the line described by y= 4x + 1 ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #367030 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=367030\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The line we want will need to have the same slope as the given line.\r<BR>\n" );
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document.write( "The slope of the given line is the coefficient of x.\r<BR>\n" );
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document.write( "What is the slope?\r<BR>\n" );
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document.write( "The slope is 4.  Do you see it in your equation?\r<BR>\n" );
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document.write( "We now use the point-slope formula y - y1 = m(x - x1).\r<BR>\n" );
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document.write( "NOTE: y1 is read \"y sub 1\" and x1 is read \"x sub one\".\r<BR>\n" );
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document.write( "We plug the given point and slope into the formula to find a line parallel to the given line.\r<BR>\n" );
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document.write( "Let y1 = 1\r<BR>\n" );
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document.write( "Let x1 = -3\r<BR>\n" );
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document.write( "Let m = slope = 4\r<BR>\n" );
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document.write( "We now plug and chug.\r<BR>\n" );
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document.write( "y - 1 = 4(x -(-3))\r<BR>\n" );
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document.write( "y - 1 = 4(x + 3)\r<BR>\n" );
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document.write( "y - 1 = 4x + 12\r<BR>\n" );
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document.write( "y = 4x + 12 + 1\r<BR>\n" );
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document.write( "y = 4x + 13\r<BR>\n" );
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document.write( "Did you follow?<BR>\n" );
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