document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=910042>Question 910042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Without graphing, determine the lines represented by y = 2x + 3 and 2x + y = 7 are parallel, perpendicular, or neither. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552216 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=552216\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can identify the slope of each equation.\r<BR>\n" );
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document.write( "First one:  slope is 2.<BR>\n" );
document.write( "Second one:  slope is -2.<BR>\n" );
document.write( "The first is in slope-intercept form, so slope is quickly read.<BR>\n" );
document.write( "The second is in standard form and a simple mental interpretation can be made if you learn how this works for standard form.  You could also solve for y to put the equation into slope-intercept form.\r<BR>\n" );
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document.write( "Knowing how the two lines are oriented should be well understood.<BR>\n" );
document.write( "Are the slopes equal?<BR>\n" );
document.write( "Are the slope negative reciprocals? </SPAN>\n" );
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