Which expression is equivalent to the following complex fraction?
2 answers:
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Answer:
<h2>(x + 7)² + (y + 2)² = 49</h2>Step-by-step explanation:
The standard form of an equation of a circle:
(h, k) - center
r - radius
We have:
center (-7, -2) → h = -7 and k = -2
radius r = 7.
Substitute: