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missashleyn

What is the equation of this circle? (x – 1)2 + y2 = 2 (x + 1)2 + y2 = 4 (x + 1)2 + y2 = 2 (x – 1)2 + y2 = 4

  • one year ago
  • one year ago

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  1. missashleyn
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    • one year ago
  2. jim_thompson5910
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    can you point out or identify the center?

    • one year ago
  3. missashleyn
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    Yes, 1?

    • one year ago
  4. jim_thompson5910
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    1 comma what

    • one year ago
  5. missashleyn
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    1,0

    • one year ago
  6. jim_thompson5910
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    1 is the x coordinate

    • one year ago
  7. jim_thompson5910
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    better

    • one year ago
  8. jim_thompson5910
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    so how many units away is that center point from any other point on the circle

    • one year ago
  9. missashleyn
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    So the radius is 2 so the answer is (x – 1)2 + y2 = 4?

    • one year ago
  10. jim_thompson5910
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    good you nailed it

    • one year ago
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