document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=290964>Question 290964</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is (-1,2), (1,2), (-2,4,  (2,4) a linear equation.  I put no since the domain does not equal one range number </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #210509 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=210509\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Is (-1,2), (1,2), (-2,4), (2,4) a linear equation.<BR>\n" );
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document.write( "slope from 1st to 2nd point is (2-2)/(1--1) = 0/2 = 0<BR>\n" );
document.write( "slope from 2nd to 3rd point is (4-2)/(-2-1) = 2/-3 = -2/3<BR>\n" );
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document.write( "since the slopes are not the same the four points are not on a line.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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