document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=944813>Question 944813</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A graph shows the equation y=4&#8730;x<BR>\n" );
document.write( "a.how many real roots does 4&#8730;16 have?<BR>\n" );
document.write( "b.how many real roots does 4&#8730;-16 have? <BR>\n" );
document.write( "Plz give the principal root of 3&#8730;-125..<BR>\n" );
document.write( "Thx for your time..<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #576084 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=576084\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A graph shows the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4sqrt%28x%29 ALIGN=MIDDLE  ALT=\"y=4sqrt%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a.how many real roots does <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4sqrt%2816%29 ALIGN=MIDDLE  ALT=\"4sqrt%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > have?\r<BR>\n" );
document.write( "\n" );
document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4sqrt%2816%29 ALIGN=MIDDLE  ALT=\"y=4sqrt%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4%2A4 ALIGN=MIDDLE  ALT=\"y=4%2A4\"   DISABLED_style= \"max-width:90%; height:auto;\" > =><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=16 ALIGN=MIDDLE  ALT=\"y=16\"   DISABLED_style= \"max-width:90%; height:auto;\" > and that is ONE real root\r<BR>\n" );
document.write( "\n" );
document.write( "b.how many real roots does <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4sqrt%28-16%29 ALIGN=MIDDLE  ALT=\"4sqrt%28-16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > have? <BR>\n" );
document.write( "answer is NONE, the square root of a negative number does not exist among the set of Real Numbers \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4sqrt%28-16%29 ALIGN=MIDDLE  ALT=\"y=4sqrt%28-16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4%2A%284i%29 ALIGN=MIDDLE  ALT=\"y=4%2A%284i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4%2A%28-4i%29 ALIGN=MIDDLE  ALT=\"y=4%2A%28-4i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > =><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=16i ALIGN=MIDDLE  ALT=\"y=16i\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-16i ALIGN=MIDDLE  ALT=\"y=-16i\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " the principal root of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=root%283%2C-125%29 ALIGN=MIDDLE  ALT=\"root%283%2C-125%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5 ALIGN=MIDDLE  ALT=\"-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > because <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-5%29%5E3+=+-125 ALIGN=MIDDLE  ALT=\"%28-5%29%5E3+=+-125\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );