Question

find the rectangular equation for r=4cos theta

Answer 1

Multiply by r and see if anything looks familiar.

Answer 2

got it!

Answer 3

y^2=-x^2 +4x?

Answer 4

Whence came the -x^2?

Answer 5

yes thats correct

Answer 6

sorry i meant x^2+y^2-4x=0

Answer 7

Just encouraging you to show your intermediate steps.

Now, complete the square in x and tell the REAL story.

Answer 8

eh its a take home test and the question just asked for the rectangular equation

Answer 9

thats how they all are

Answer 10

Very disappointing. :-)