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amistre64

  • 5 years ago

i wanna ask a question too :)

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  1. amistre64
    • 5 years ago
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    what? now post in the chat for me? lol

  2. amistre64
    • 5 years ago
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    i was robbed lol

  3. anonymous
    • 5 years ago
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    hey can you help me with a question?

  4. amistre64
    • 5 years ago
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    where is it? or what is it? :)

  5. anonymous
    • 5 years ago
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    i have to find center, vertices, co-vertices, foci, and eccentricity of an ellipse

  6. amistre64
    • 5 years ago
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    eccentricity = .... c/a? gotta look that up again lol

  7. anonymous
    • 5 years ago
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    ok thats fine but i have no idea i wasnt in school when this was taught lol

  8. amistre64
    • 5 years ago
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    its c/a :) or distance from center to focus/ distance from center to edge

  9. amistre64
    • 5 years ago
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    whats the ellipse you got?

  10. anonymous
    • 5 years ago
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    (x-3)^2/16 + (y+6)^2/4 = 1

  11. amistre64
    • 5 years ago
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    ellipse has the major axis corresponds to the bigger number on bottom; for this thats the x component right?

  12. anonymous
    • 5 years ago
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    i think thats the b value

  13. amistre64
    • 5 years ago
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    center = 3,-6 and it rides parallel to the x axis a = major axis; and b is the minor axis a = sqrt.16 = 4 b = sqrt.4 = 2 vertexes are (7,-6)(-1,-6)

  14. amistre64
    • 5 years ago
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    the minor vertexes are (3,-4)(3,-8)

  15. amistre64
    • 5 years ago
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    the eccentricity = sqrt(16+4)/4

  16. amistre64
    • 5 years ago
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    eccentricity = sqrt.5

  17. amistre64
    • 5 years ago
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    i got that wrong lol

  18. amistre64
    • 5 years ago
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    sqrt(16 - 4)/4 sqrt.12/4 sqrt.3 = eccentricity

  19. amistre64
    • 5 years ago
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    sqrt(3) ------ ; ill learn to do this eventually lol 2

  20. anonymous
    • 5 years ago
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    haha ok so the eccentricity is sqrt3/2? or just sqrt 3

  21. amistre64
    • 5 years ago
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    when i do it correctly; and that a big when; it should be sqrt(3)/2

  22. anonymous
    • 5 years ago
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    alright

  23. amistre64
    • 5 years ago
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    sqrt(hyp-leg)/hyp

  24. anonymous
    • 5 years ago
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    what about foci?

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spraguer (Moderator)
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