document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=882797>Question 882797</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At sea level, water boils at 212 degrees F. At the height of 1100 feet, water boils at 210 degrees F. The relationship between boiling point and height above the sea level is linear. Find an equation that relates these quantities. Then, find the boiling temperature of water in Flagstaff, AZ located 6900 feet above the sea level.\r<BR>\n" );
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document.write( "Write the equation in slope intercept form. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533117 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=533117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At sea level, water boils at 212 degrees F.<BR>\n" );
document.write( " At the height of 1100 feet, water boils at 210 degrees F.<BR>\n" );
document.write( " The relationship between boiling point and height above the sea level is linear.<BR>\n" );
document.write( " Find an equation that relates these quantities.<BR>\n" );
document.write( " Then, find the boiling temperature of water in Flagstaff, AZ located 6900 feet above the sea level.<BR>\n" );
document.write( "Write the equation in slope intercept form.<BR>\n" );
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document.write( "Using the form y = mx+b; find the slope (m): <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y2-y1%29%2F%28x2-x1%29 ALIGN=MIDDLE  ALT=\"%28y2-y1%29%2F%28x2-x1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = m<BR>\n" );
document.write( "Assign the given values as follows:<BR>\n" );
document.write( "x1 = 0; y1 = 212<BR>\n" );
document.write( "x2 = 1100; y2 = 210<BR>\n" );
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document.write( "m = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28210-212%29%2F%281100-0%29%29 ALIGN=MIDDLE  ALT=\"%28210-212%29%2F%281100-0%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "m = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2%2F1100 ALIGN=MIDDLE  ALT=\"-2%2F1100\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F550 ALIGN=MIDDLE  ALT=\"-1%2F550\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
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document.write( "Find b using x=0; y=211<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F550 ALIGN=MIDDLE  ALT=\"-1%2F550\"   DISABLED_style= \"max-width:90%; height:auto;\" >(0) + b = 212<BR>\n" );
document.write( "b = 212<BR>\n" );
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document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F550 ALIGN=MIDDLE  ALT=\"-1%2F550\"   DISABLED_style= \"max-width:90%; height:auto;\" >x + 212, is the equation<BR>\n" );
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document.write( "find the boiling temperature of water in Flagstaff, AZ located 6900 feet above the sea level. <BR>\n" );
document.write( "x = 6900<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F550 ALIGN=MIDDLE  ALT=\"-1%2F550\"   DISABLED_style= \"max-width:90%; height:auto;\" >(6900) + 212<BR>\n" );
document.write( "y = -12.54 + 212<BR>\n" );
document.write( "y = 199.45 degrees in Flagstaff </SPAN>\n" );
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