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Precalculus H/GT Worksheet: Conics – Circles Write an equation in standard form of each circle described below: 1. End points of a diameter are (3, 2) and (5, –4). 2. r 5, Center (-3, 5) 3. r 8, Center (-1, -6) 4. 1 r 2, Center (4, -2) 5. , Center 1 ( ,0) 2 Find the center, radius, and area of each circle: 6. 22xy 4 6 18 7. 3 4 3 542xy 2 8.
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