document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=693470>Question 693470</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Without graphing ,tell whether the slope of a that models each situation is positive. negative, zero, or undefined. Then find the slope. \r<BR>\n" );
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document.write( "Question: The cost of tickets to the amusement park is $19.50 for 1 ticket and $ 78 for 4 tickets.\r<BR>\n" );
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document.write( "I know it's positive but how I can I find the slope ? D:<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427476 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=427476\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y =  cost<BR>\n" );
document.write( "x = # of tickts<BR>\n" );
document.write( "...<BR>\n" );
document.write( "(1, 19.5) and (4, 78)<BR>\n" );
document.write( "slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2878-19.5%29%2F%284-1%29+=+58.5%2F3+=+highlight_green%2819.5%29 ALIGN=MIDDLE  ALT=\"%2878-19.5%29%2F%284-1%29+=+58.5%2F3+=+highlight_green%2819.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y+=+19.5x%29 ALIGN=MIDDLE  ALT=\"highlight%28y+=+19.5x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the equation<BR>\n" );
document.write( "CHECK:  if x = 4, y is 78<BR>\n" );
document.write( "compared to y=mx+b, the slope, m is 19.5 and y intercept, b, is 0.<BR>\n" );
document.write( "…………………………….<BR>\n" );
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