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  • x^2+y^2=r^2 is which equation?
Question 1:
x^2+y^2=r^2 is which equation?
A. the equation of a parabola
B. the equation of a circle
C. the equation of a right triangle
D. the equation of a hyperbola

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Trivial Practice Quiz science-technology - Test 154 | Englishfreetest.com