A certain circle can be represented by the following equation. $x^2 + y^2 - 8x + 8y - 49 = 0$ What is the center of this circle ? What is the radius of this circle ? units
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Given equation: 22 + yP 8r + 8y - 49 = 0 Rearranging the terms, we get: y^2 + 8y + 22 - 49 = -8r Combining like terms, we have: y^2 + 8y - 27 = -8r Show more…
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