document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106554>Question 106554</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0536753601/algebrahomeworkh>strategies for problem solving workbook</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 2 a) line of a slope 4 passing through the point (0,2)<BR>\n" );
document.write( "  b) line of slope -5 passing through the point (3,4)<BR>\n" );
document.write( "  c) line of slope 0 passing through (1,2)<BR>\n" );
document.write( "find an equation for each line </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77556 by </B><A HREF=/tutors/aboutme.mpl?userid=ashlyn.xo><B>ashlyn.xo(7)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ashlyn.xo><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=77556\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Equation for a line: y=mx+b\r<BR>\n" );
document.write( "\n" );
document.write( "m=slope<BR>\n" );
document.write( "b=y intercept\r<BR>\n" );
document.write( "\n" );
document.write( "2. a) m=4    point (0,2)\r<BR>\n" );
document.write( "\n" );
document.write( "y=4x+b\r<BR>\n" );
document.write( "\n" );
document.write( "substitute (0,2) into the equation y=mx+b<BR>\n" );
document.write( "0=x<BR>\n" );
document.write( "2=y\r<BR>\n" );
document.write( "\n" );
document.write( "2=4(0)+b<BR>\n" );
document.write( "2=0+b<BR>\n" );
document.write( "2=b\r<BR>\n" );
document.write( "\n" );
document.write( "Therefore, y=4x+2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "2.b) m=-5   point (3,4)\r<BR>\n" );
document.write( "\n" );
document.write( "y=-5x+b<BR>\n" );
document.write( "4=-5(3)+b<BR>\n" );
document.write( "4=-15+b<BR>\n" );
document.write( "4+15=b<BR>\n" );
document.write( "19=b\r<BR>\n" );
document.write( "\n" );
document.write( "Therefore, the equation of the line is y=-5x+19\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "2.c) m=0  point (1,2)\r<BR>\n" );
document.write( "\n" );
document.write( "2=0(1)+b<BR>\n" );
document.write( "2=0+b<BR>\n" );
document.write( "2=b\r<BR>\n" );
document.write( "\n" );
document.write( "Therefore, y=2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );