Asked by sarah

Write the equation in standard form of the circle with the given properties.
Center at the origin; r = square root of 2

answer r= square root 2

Answers

Answered by sarah
or is this the correct answer x^2+y^2=2
Answered by oobleck
oddly enough, both answers are correct!
in rectangular coordinates, x^2+y^2 = 2
in polar coordinates, r=√2
(but something tells me you have not yet studied polar coordinates -- you'll like them.)
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