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# help pls. algebra questions

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1. Find the equation of the circle centered at $$(1,-4)$$ with radius 3. Write your equation in the form $$(x - h)^2 + (y - k)^2 = r^2$$

2. A circle centered at $$(0,-8)$$ passes through the point $$(2,-5).$$ Find the equation of the circle. Write your equation in the form

$$(x - h)^2 + (y - k)^2 = r^2$$

3. Find the area of the region satisfying the inequality $$x^2 + y^2 \leq 4x + 6y+13$$.

Feb 5, 2021