document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=64171>Question 64171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine which two equations represent parallel lines. Justify the answer.<BR>\n" );
document.write( "(a) y = (5/7) x + 3<BR>\n" );
document.write( "(b) y =(7/5) x + 5<BR>\n" );
document.write( "(c) y = (7/5) x – 5<BR>\n" );
document.write( "(d) y = –(5/7) x + 5<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #44832 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=44832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The equations are already in the slope-intercept form of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+mx%2Bb ALIGN=MIDDLE  ALT=\"y+=+mx%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" > where: m = slope and b = y-intercept.<BR>\n" );
document.write( "Recall that parallel lines have identical slopes.<BR>\n" );
document.write( "Equations (b) and (c) have identical slopes (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+7%2F5 ALIGN=MIDDLE  ALT=\"m+=+7%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >), therefore, equations (b) and (c) represent parallel lines. </SPAN>\n" );
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