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)
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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) (Show Source): You can put this solution on YOUR website!
The equation of a circle centered at )
with radius 
is:
^2\ +\left(y\ -\ k\right)^2\ =\ r^2)
The origin is the point )
and your radius is 8, so:
^2\ +\left(y\ -\ 0\right)^2\ =\ 8^2)
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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