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missashleyn

  • 3 years ago

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

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

  3. missashleyn
    • 3 years ago
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    Yes, 1?

  4. jim_thompson5910
    • 3 years ago
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    1 comma what

  5. missashleyn
    • 3 years ago
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    1,0

  6. jim_thompson5910
    • 3 years ago
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    1 is the x coordinate

  7. jim_thompson5910
    • 3 years ago
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    better

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

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

  10. jim_thompson5910
    • 3 years ago
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    good you nailed it

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