document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=812110>Question 812110</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ALCOHOL CONSUMPTION The beer consumption by Americans for the years 1960–2005 can be modeled by the equation  [ y = -0.0665x^2 + 3.58x + 122 ], where x is the number of years after 1960, and y is the number of ounces of beer consumed per<BR>\n" );
document.write( "person in that year. Find the per person consumption in 1960, then &#64257;nd in what year the model predicts that consumption will return to that level. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489028 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=489028\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = -0.0665x^2 + 3.58x + 122<BR>\n" );
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document.write( "Answer 1:<BR>\n" );
document.write( "(for x=0) the per person beer consumption in 1960 was 122 ounces<BR>\n" );
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document.write( "the above quadratic equation is in standard form, with a=-0.0665, b=3.58, and c=122<BR>\n" );
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document.write( "to solve the above equation using the quadratic formula, plug this:<BR>\n" );
document.write( "-0.0665 3.58 122<BR>\n" );
document.write( "into this: https://sooeet.com/math/quadratic-equation-solver.php<BR>\n" );
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document.write( "the roots (solutions) of the above quadratic equation are:<BR>\n" );
document.write( "-23.6705229<BR>\n" );
document.write( "77.5051094<BR>\n" );
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document.write( "in this context, the negative root (-23.6705229) doesn't make sense, so use the positive root (77.5051094)<BR>\n" );
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document.write( "Answer 2:<BR>\n" );
document.write( "beer consumption should return to the 1960 level in the year 2038<BR>\n" );
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document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
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document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Convert fractions, decimals, and percents:<BR>\n" );
document.write( "https://sooeet.com/math/fraction-decimal-percent.php<BR>\n" );
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document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
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