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anonymous

  • one year ago

Which of the following circles have their centers in the second quadrant? Check all that apply. A. (x - 5)2 + (y - 6)2 = 25 B. (x + 1)2 + (y - 7)2 = 16 C. (x - 4)2 + (y + 3)2 = 32 D. (x + 2)2 + (y - 5)2 = 9 PLEASE HELP AND EXPLAIN!!!

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  1. anonymous
    • one year ago
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    The 2nd quad is (-,+) so

  2. anonymous
    • one year ago
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    Take (x-h) and (y-k) and set them both equal to 0 and solve for x and y

  3. anonymous
    • one year ago
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    For example, a: x - 5 = 0 x = 5 y - 6 = 0 y = 6 (5,6) since they are both positive this is in the first quad. So A is not right Make sense?

  4. anonymous
    • one year ago
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    Yeah thanks bro!!

  5. anonymous
    • one year ago
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    No problem, what did you get for the answer?

  6. anonymous
    • one year ago
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    C

  7. anonymous
    • one year ago
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    Well C would give you (+,-) you need (-,+)

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spraguer (Moderator)
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