Circle Equation
7 practice questionsPrecalculusStep-by-step solutions
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1
What is the radius of the circle x² + y² = 25?
A.25
B.12.5
C.5
D.10
2
What is the radius of the circle x² + y² = 49?
A.7
B.49
C.14
D.√7
3
The equation x² + y² = 25 represents a circle with radius:
A.5
B.25
C.12.5
D.10
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