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40 votes
Find the equation for the circle with center (−4,−3) and diameter of length 14.

User Fmonegaglia
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1 Answer

9 votes
9 votes

9514 1404 393

Answer:

(x +4)² +(y +3)² = 49

Explanation:

The radius is half the diameter, so is 14/2 = 7.

The equation of a circle with center (h, k) and radius r is ...

(x -h)² +(y -k)² = r²

The equation of the circle with center (-4, -3) and radius 7 is ...

(x +4)² +(y +3)² = 49

User Ihor Bykov
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