document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=911371>Question 911371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to find the equation of 2 points (2, 90) and (4, 810)<BR>\n" );
document.write( "We have not learned how to do the formula, we have only learned to divide one y value by its previous but in this case that doesn't work. How can I solve it non-algebraically?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553056 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=553056\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the equation of 2 points (2, 90) and (4, 810)<BR>\n" );
document.write( " We have not learned how to do the formula, we have only learned to divide one y value by its previous but in this case that doesn't work. How can I solve it non-algebraically? <BR>\n" );
document.write( "=========<BR>\n" );
document.write( "Notice that when x increased by 4-2 = 2, y increased by 810-90 = 720<BR>\n" );
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document.write( "So if x were to increase by 1, y would increase by 360.<BR>\n" );
document.write( "That is the slope of the equation you want.<BR>\n" );
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document.write( "Notice that if x were to DECREASE by 2, 2-2 = 0, y would decrease by 720<BR>\n" );
document.write( "So y would equal 90-720 = -630.<BR>\n" );
document.write( "That is the y-intercept of the equation you want.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Ans:: y = 360x - 630<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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