Center (5,-6),tangent to the x-axis? Answer: (x - 5)² + (y + 6)² = 36 Center (h, k) = (5, -6) Radius = 6 Step-by-step explanation: Center (h, k) = (5, -6) Radius = 6 units. How to find the radius if the circle is tangent to the x-axis? From the x-axis x-coordinate 5, count 6 units parallel to y-axis towards the center of the circle. Equation of circle in center-radius standard form: (x - h)² + (y - k)² = r² (x - 5)² + (y - (-6))² = 6² (x - 5)² + (y + 6)² = 36 To visualize the circle, please click the image below.
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