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anonymous

  • one year ago

Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credit. x2 + 4x + y2 − 6y = −4

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  1. anonymous
    • one year ago
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    @Here_to_Help15

  2. anonymous
    • one year ago
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    do you know the circle equation?

  3. Here_to_Help15
    • one year ago
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    They keep beating me grr

  4. anonymous
    • one year ago
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    yeah one sec i have it in my notes

  5. anonymous
    • one year ago
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    (x-h)^2 + (y-k)^2 = r^2 where (h,k) is the center and r is the radius

  6. Here_to_Help15
    • one year ago
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    Here are your answers now for the work :) Center:: (-2,3) Radius:: (3)

  7. Here_to_Help15
    • one year ago
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    @gaos finish what you started :)

  8. Here_to_Help15
    • one year ago
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    OK so wanna plug them in with me?

  9. anonymous
    • one year ago
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    (x^2+4x+4)-4+(y^2-6y+9)-9=-4 (x+2)^2+(y-3)^2=9 (x+2)^2+(y-3)^2=3^2 Circles follow the form: (x-a)+(y-b)=r^2 Therefore the center of the circle is at (-2,3) and the radius is 3.

  10. anonymous
    • one year ago
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    got it i think!!

  11. Here_to_Help15
    • one year ago
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    And you continue to suprise me :)

  12. Here_to_Help15
    • one year ago
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    Surprise *

  13. anonymous
    • one year ago
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    haha thank you :p

  14. Here_to_Help15
    • one year ago
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    :)

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spraguer (Moderator)
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