document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=212722>Question 212722</A>: <I><SPAN STYLE=\"word-break: break-all;\"> P(4,2) lies on the curve y=sqrt (x). if Q is (x,sqrt(x)) find the slope of the secant line of PQ for the value of x=3.99. Round to six decimal places. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160649 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=160649\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(4,2) lies on the curve y=sqrt (x). if Q is (x,sqrt(x)) find the slope of the secant line of PQ for the value of x=3.99. Round to six decimal places.<BR>\n" );
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document.write( "You have two points: P(4,2) and Q(3.99,sqrt(3.99))<BR>\n" );
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document.write( "slope = [sqrt(3.99)-2]/[3.99-4] = -0.002501564/0.01 = -0.2501564...<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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