SOLUTION: This circle is centered at the origin, and the length of its radius is 8. What is the equation of the circle? a. x^2 + y^2 = 82 b. x^2/8 + y^2/8 = 1 c. (x - 8)^2 + (y - 8)

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: This circle is centered at the origin, and the length of its radius is 8. What is the equation of the circle? a. x^2 + y^2 = 82 b. x^2/8 + y^2/8 = 1 c. (x - 8)^2 + (y - 8)      Log On


   

Question 592199: This circle is centered at the origin, and the length of its radius is 8. What is the equation of the circle?
a. x^2 + y^2 = 82
b. x^2/8 + y^2/8 = 1
c. (x - 8)^2 + (y - 8)^2 = 64
d. x^2 + y^2 = 8
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The equation of a circle centered at with radius is:



The origin is the point and your radius is 8, so:



All you have to do now is simplify. You will find that the answer is e: None of the above.

John

My calculator said it, I believe it, that settles it
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