The first three questions refer to the
material you were to read in preparation for the lesson. Questions
one and two require you to write a three or four sentence
response. Number three is a multiple choice question. Click in the
appropriate circle. Questions 4 all about your feelings.
You may change your mind as often as you wish. When you are
satisfied with your responses, click the SUBMIT button at the
bottom of this page.
1.
Explain the difference between rectangular and polar
coordinates.
2.
Suppose someone needs to be able to aim a laser at the moon
every night or day it is visible, whether it is cloudy or clear.
You need to give them a way to locate the moon as a function of
time. How would you do it?
If you are the origin, the polar axis is the vertical
direction, the time is now, (summer solstice), and the moon is
full, estimate the polar coordinates of the moon at :
a) Dusk
b) Midnight
c) Dawn.
3.
The polar form of the equation x2 +
y2 = 16 is:
r = 4 cos
u
r =
4
r = 4
(cos2 u
+
sin2 u
)
more data are
needed to answer
4.
Below is a space for your
thoughts, including general comments about today's assignment
(what seemed impossible, what reading didn't make sense, what we
should spend class time on, what was "cool",
etc.):
You may change your mind as often as you wish. When you are
satisfied with your responses, click the SUBMIT button.
I received no
help from anyone on this assignment.
