Welcome to Math 227! Course
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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.

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.