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anonymous

  • 4 years ago

how to find the equation of diameter..? of a circle..whose equation is x2+Y2-12x+4Y+6=0

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  1. razor99
    • 4 years ago
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    could u explain it clearly

  2. anonymous
    • 4 years ago
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    You need to complete the square for both the x and y values within the equation.

  3. anonymous
    • 4 years ago
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    mark..we have to find the equation of diameter?

  4. anonymous
    • 4 years ago
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    can anyof u tell me how to find the equation of diameter?

  5. anonymous
    • 4 years ago
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    You need to put the equation in standard form first. \[x^2+y^2-12x+4y+6=0\] \[x^2-12x+y^2+4y+6=0\] \[(x^2-12x)+(y^2+4y)+6=0\] \[(x^2-12x +36-36)^2+(y^2+4y+4-4)+6=0\] this is the completing the square part \[(x^2-12x +36)^2-36+(y^2+4y+4)-4+6=0\] \[(x^2-12x +36)^2+(y^2+4y+4)+38=0\] \[(x-6)^2+(y+2)^2+38=0\]

  6. anonymous
    • 4 years ago
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    oops, thte +38 should be -34

  7. anonymous
    • 4 years ago
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    Once you move the -34 over, it means the radius is sqrt(34)

  8. razor99
    • 4 years ago
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    okay here is the formulae for the diameter

  9. razor99
    • 4 years ago
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    hey is it area or perimeter

  10. anonymous
    • 4 years ago
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    its diameter of circle

  11. anonymous
    • 4 years ago
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    yeah so the diameter is 2x the square root of 34

  12. razor99
    • 4 years ago
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    okay formulae of a diameter d=2xr

  13. anonymous
    • 4 years ago
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    but we hav to find the equation not only diameter

  14. razor99
    • 4 years ago
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    oh first we have to slove it right

  15. anonymous
    • 4 years ago
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    hmm..yup

  16. anonymous
    • 4 years ago
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    hey razor r u on fb?

  17. razor99
    • 4 years ago
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    yeah

  18. anonymous
    • 4 years ago
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    wud u lyk 2 b mah frnd..?

  19. razor99
    • 4 years ago
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    okay but i am a boy

  20. anonymous
    • 4 years ago
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    uhh..y r u tellng mee lolz..!! it dsnt seem scary 2 mee

  21. razor99
    • 4 years ago
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    oh lets talk some other time okay u have a equation to do

  22. anonymous
    • 4 years ago
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    yea..i got it

  23. razor99
    • 4 years ago
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    dont worry jimmyrep is coming

  24. anonymous
    • 4 years ago
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    whoz he?

  25. razor99
    • 4 years ago
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    comeon u would know

  26. razor99
    • 4 years ago
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    Equation x2+Y2-12*x+4*Y+6=0 solved for x x = (Y2+4*Y+x2+6)/12

  27. razor99
    • 4 years ago
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    so the answer is

  28. razor99
    • 4 years ago
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    Equation x2+Y2-12*x+4*Y+6=0 solved for x x = (Y2+4*Y+x2+6)/12

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