MAT 220 – 001
Fall 2000
Test One
 
Show all work.  
On the integration problems,
show the detail of each step.
 
 
Some
stuff:
 

 

 

 
 

 
 
The
test:
 
 
1.  (10 points) 
Integrate   .  Show all steps.
.  Show all steps.
 
 
2.  (15 points) 
Integrate   .  Show all steps.
.  Show all steps.
 
 
 
3.  (10 points) 
Use Simpson’s rule with n = 10
to approximate the integral
 
 .
.
4.  (10 points) 
Set up an integral that represents the area of the surface generated by
revolving the portion of the curve   about the y-axis. 
You may use your calculator to determine the value of the integral.
  about the y-axis. 
You may use your calculator to determine the value of the integral.
 
 
5.  (10 points) 
Eliminate the parameter and find a Cartesian equation of the curve
 

 
 
6.  (10 points) 
Consider the curve   .
.
 
6a.  Find 
 in terms of t.
  in terms of t.
 
6b.  Find 
 in terms of t.
 in terms of t.
 
 
7.  (10 points) 
Find equations for the tangent lines to the curve   at the points where
the curve crosses the x-axis.
  at the points where
the curve crosses the x-axis.
 
 
 
8. (15
points)  Set up an expression that
represents the area that is common to the curves   and
  and   .  You may use your
calculator to determine the value of the integral.
.  You may use your
calculator to determine the value of the integral.
 
 
9.  (10 points) 
Set up an integral that represents the length of the arc   .  You may use your
calculator to determine the value of the integral.
.  You may use your
calculator to determine the value of the integral.