Which of the following circles have their centers on the x-axis? Check all that apply. A. (x - 0) 2 + (y - 5) 2 = 49 B. (x - 0) 2 + (y - 0) 2 = 25 C. (x - 4) 2 + (y - 0) 2 = 22 D. (x + 1) 2 + (y - 7) 2 = 16

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Boyle

Mathematics

17 April, 10:54

Which of the following circles have their centers on the x-axis? Check all that apply. A. (x - 0) 2 + (y - 5) 2 = 49 B. (x - 0) 2 + (y - 0) 2 = 25 C. (x - 4) 2 + (y - 0) 2 = 22 D. (x + 1) 2 + (y - 7) 2 = 16

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Efrain Tapia · Answer 1

Circles having their centers on the x-axis has a y-component or coordinate equal to zero. In this case, with the standard equation of the circle equal to (x-h) ^2 + (y-k) ^2 = r^2, the one that fits the description of the problem is B. (x - 0) 2 + (y - 0) 2 = 25 and C. (x - 4) 2 + (y - 0) 2 = 22