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Petra is given the equation (x + 15 )^2 + ( y+4 )^2 = 100 and identifies it's graph as a circle whose center is (-15,4) and radius is 10. Has Petra made a mistake ? Explain.
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Petra is given the equation (x + 15 )^2 + ( y+4 )^2 = 100 and identifies it's graph as a circle whose center is (-15,4) and radius is 10. Has Petra made a mistake ? Explain.

User Djeikyb
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1 Answer

5 votes
The center should be ( -15,-4).
User Lukew
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9.1k points
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