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07-04-2016
Mathematics

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Complete the first step in writing the equation of a circle in graphing form.

EQUATION: x2 – 2x + y2 + 6y – 6 = 0

STEP 1: x2 – 2x + y2 + 6y = _________

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08-04-2016

I think its x² - 2x + y² + 6y - 6 = 0 x² - 2x + y² + 6y = 6 (x² - 2x + 1) + (y² + 6y + 9) = 6 + 1 + 9 (x - 1)² + (y + 3)² = 16 center: (h, k) = (x, y) = (1, -3) radius: 4

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