document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159794>Question 1159794</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following is true about the graph of the function y = 2.5x?  Select all that apply\r<BR>\n" );
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document.write( "The equation does NOT represent a proportional relationship.\r<BR>\n" );
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document.write( "A change of 5 units in x results in a change of 2 units in y.\r<BR>\n" );
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document.write( "The unit rate of the relationship is 2/5\r<BR>\n" );
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document.write( "The slope of the line is 2.5\r<BR>\n" );
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document.write( "A change of 2 units in x results in a change of 5 units in y. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782860 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=782860\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> your options are:\r<BR>\n" );
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document.write( "1.<BR>\n" );
document.write( "The equation does NOT represent a proportional relationship.<BR>\n" );
document.write( "this is false since the equation does represent a proportional relationship because y is always 2.5 times as large as x.\r<BR>\n" );
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document.write( "2.<BR>\n" );
document.write( "A change of 5 units in x results in a change of 2 units in y.<BR>\n" );
document.write( "this is false since a change in 5 units of x will result in 2.5 * 5 = a change of 12.5 units in y.\r<BR>\n" );
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document.write( "3.<BR>\n" );
document.write( "The unit rate of the relationship is 2/5.<BR>\n" );
document.write( "since the relationship is the value of y based on the value of x, then the unit rate is 2.5, making this statement false.\r<BR>\n" );
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document.write( "4.<BR>\n" );
document.write( "The slope of the line is 2.5<BR>\n" );
document.write( "this is true, since the slope is the change in y divided by the change in x.<BR>\n" );
document.write( "for every change in x of 1 unit, the change in y is 2.5 units.<BR>\n" );
document.write( "that makes this statement true.\r<BR>\n" );
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document.write( "5.<BR>\n" );
document.write( "A change of 2 units in x results in a change of 5 units in y.<BR>\n" );
document.write( "this statement is also true, since a change in 2 units of x results in a change of 2 * 2.5 = 5 units in y.\r<BR>\n" );
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document.write( "so, it looks like statements 1,2,3 are false and statements 4,5 are true, as best i can determine.\r<BR>\n" );
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document.write( "note that the slope intercept form of the equation of a straight line is y = mx + b<BR>\n" );
document.write( "m is the slope.<BR>\n" );
document.write( "b is the y-intercept.<BR>\n" );
document.write( "since the equation is y = 2.5x, then the slope is 2.5 and the y-intercept is 0.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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