Question 1036094
<pre>

Take a look inside those three circles I've drawn below, and
see if you can estimate about what points on the x-axis the
red graph crosses the x-axis.  It's the same as when you were
studying locating points on a number line, for the x-axis IS 
a number line!

{{{drawing(400,400,-6.2,4.2,-5.2,5.2,green(circle(-2.9,0,.5),circle(-1,0,.5),circle(.8,0,.5)),
graph(400,400,-6.2,4.2,-5.2,5.2,

.82603740707111x^3+2.5736665083639x^2-.1551801130305x-1.9587602373474


) )}}}

Edwin</pre>