document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=818363>Question 818363</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The depth of a lake can be calculated by the function y=.2x^2-10x+6  .  Where x represents the distance from the Western edge.  <BR>\n" );
document.write( "b)  What is the diameter of the lake?  Round to the nearest thousandth.\r<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 #492480 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=492480\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = 0.2x^2 - 10x + 6<BR>\n" );
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document.write( "the above quadratic equation is in standard form, with a=0.2, b=-10, and c=6<BR>\n" );
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document.write( "to solve the quadratic equation, by using the quadratic formula, plug this:<BR>\n" );
document.write( "0.2 -10 6<BR>\n" );
document.write( "into this: https://sooeet.com/math/quadratic-equation-solver.php<BR>\n" );
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document.write( "the two real roots (i.e. the two x-intercepts), of the quadratic are:<BR>\n" );
document.write( "x = 49.3926218<BR>\n" );
document.write( "x = 0.607378165<BR>\n" );
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document.write( "What is the diameter of the lake?  Round to the nearest thousandth:<BR>\n" );
document.write( "49.3926218 - 0.607378165 = 48.785243<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "48.785<BR>\n" );
document.write( "NOTE: the length units of variable x were not given in the problem statement, could be foot, meter, mile, km, etc.)<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" );
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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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