Find the equation of the circle tangent to both the -axis and -axis with radius 4 in the fourth quadrant.
Answer and explanation
Correct answer: D.
- Step 1: Fourth quadrant has and . Step 2. Center with radius 4 tangent to both axes: . Step 3. Equation: . Answer: (x - 4)^2 + (y + 4)^2 = 16. Why not the others: Fourth quadrant requires center .
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