SOLUTION: Convert the rectangular equation to polar form. (Use r and use theta for θ as necessary.) x2 + y2 = 18

Question 867565: Convert the rectangular equation to polar form. (Use r and use theta for θ as necessary.)
x2 + y2 = 18

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
, which is really is in the form which is a circle with center (h,k) = (0,0) and radius --->

Now simplify

So the answer, as simplified as possible, is . This is because this is simply a circle with radius and when you have something like , you mean "a circle with center (0,0) with radius 2"
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SOLUTION: Convert the rectangular equation to polar form. (Use r and use theta for &#952; as necessary.) x2 + y2 = 18

SOLUTION: Convert the rectangular equation to polar form. (Use r and use theta for θ as necessary.) x2 + y2 = 18