document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=475721>Question 475721</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me write the equation for the following relations.\r<BR>\n" );
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document.write( "R = {(x, y): (4, 5), (8, 7), (12, 9), (16, 11), . . .}\r<BR>\n" );
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document.write( "R = {(x, y): (2, 3), (4, 4), (6, 5), (8, 6), . . .}\r<BR>\n" );
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document.write( "Q = {(x, y): (2, 8), (3, 27), (4, 64), (5, 125), . . .}\r<BR>\n" );
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document.write( "P = {(x, y): (1, 0), (2, 4), (3, 8), (4, 12), . . .} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #326218 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=326218\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please help me write the equation for the following relations. <BR>\n" );
document.write( "R = {(x, y): (4, 5), (8, 7), (12, 9), (16, 11), . . .}<BR>\n" );
document.write( "Notice that y increases by 2 when x increases by 4<BR>\n" );
document.write( "slope = 2/4 = 1/2<BR>\n" );
document.write( "Notice that if you decrease x by 4 y will decrease by 2<BR>\n" );
document.write( "So, y-intercept = (0,3)<BR>\n" );
document.write( "Equation: y = (1/2)x+3<BR>\n" );
document.write( "--------------------- <BR>\n" );
document.write( "R = {(x, y): (2, 3), (4, 4), (6, 5), (8, 6), . . .}<BR>\n" );
document.write( "slope = 1/2<BR>\n" );
document.write( "y-int: (0,1)<BR>\n" );
document.write( "Equation: y = (1/2)x + 1<BR>\n" );
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document.write( "Q = {(x, y): (2, 8), (3, 27), (4, 64), (5, 125), . . .}<BR>\n" );
document.write( "Not a linear relation because y does not increase consistently<BR>\n" );
document.write( "as x increases.<BR>\n" );
document.write( "Equation: y = x^3<BR>\n" );
document.write( "------------------------------ <BR>\n" );
document.write( "P = {(x, y): (1, 0), (2, 4), (3, 8), (4, 12), . . .}<BR>\n" );
document.write( "slope = 4<BR>\n" );
document.write( "y-int: -4<BR>\n" );
document.write( "Equation: y = 4x-4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================<BR>\n" );
document.write( " </SPAN>\n" );
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