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K.Binks

  • one year ago

Write the equation of a circle with a center at (-6, 9) and a radius of 12?

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  1. Vocaloid
    • one year ago
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    let (-6,9) be (h,k), and let the radius = r use the formula (x-h)^2 + (y-k)^2 = r^2

  2. K.Binks
    • one year ago
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    So, (x+6)^2 + (y-9)^2=12^2? Do I change the 12^2 to 144?

  3. SolomonZelman
    • one year ago
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    yes, you change 12 to 144, and then your complete equation is?

  4. SolomonZelman
    • one year ago
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    i mean 12² to 144

  5. SolomonZelman
    • one year ago
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    u get?

  6. K.Binks
    • one year ago
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    I get. (x+6)^2 + (y-9)^2= 144, right?

  7. SolomonZelman
    • one year ago
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    yes, that is right

  8. SolomonZelman
    • one year ago
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    and that is it as well. you are done

  9. K.Binks
    • one year ago
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    Thank you!

  10. SolomonZelman
    • one year ago
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    anytime!

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