document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=45459>Question 45459</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an equation of the line that passes through each pair of points. find the slope and y-intercept.\r<BR>\n" );
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document.write( "1. (1,1) (7,4) \r<BR>\n" );
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document.write( "2. (5,7) (0,6)\r<BR>\n" );
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document.write( "3. (-5/4,1) (-1/4,3/4)\r<BR>\n" );
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document.write( "how do you find the y - intercept ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30220 by </B><A HREF=/tutors/aboutme.mpl?userid=jake_6233><B>jake_6233(74)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jake_6233><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=30220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. (1,1) (7,4) <BR>\n" );
document.write( "2. (5,7) (0,6) <BR>\n" );
document.write( "3. (-5/4,1) (-1/4,3/4) <BR>\n" );
document.write( "how do you find the y - intercept\r<BR>\n" );
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document.write( "We may only have room here for one answer if you send me an email I can work the other two  y= mx+b is what you need to remember m= slope and b is the y intercept so (4-1)/(7-1) = 3/6 or 1/2 =m  Then because each point in the problem is on the line substitue a pair of coordinates into the equation      y -y1=m(x-x1) \r<BR>\n" );
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document.write( "y-4= 1/2(x-7)      y= 1/2x - 7/2 + 8/2    y= 1/2x+ 1/2 (y=mx+b) b = 1/2<BR>\n" );
document.write( "I hope that this helps<BR>\n" );
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