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Katieann16

  • 2 years ago

Someone help me?

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  1. Katieann16
    • 2 years ago
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    help

  2. Katieann16
    • 2 years ago
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    @zordoloom

  3. Katieann16
    • 2 years ago
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    it won't let me attach the picture?

  4. zordoloom
    • 2 years ago
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    Try using a different format.

  5. Katieann16
    • 2 years ago
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    i can try to draw it?

  6. Katieann16
    • 2 years ago
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    |dw:1355189951421:dw|

  7. Katieann16
    • 2 years ago
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    i wrote the points so you knew .

  8. Katieann16
    • 2 years ago
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    @zordoloom

  9. jim_thompson5910
    • 2 years ago
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    you're given z1 and z2 and you want to find z1+z2 right?

  10. Katieann16
    • 2 years ago
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    yes

  11. jim_thompson5910
    • 2 years ago
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    z1 + z2 = (-3, 6) + (4, 2) z1 + z2 = (-3+4, 6+2) z1 + z2 = (1, 8)

  12. jim_thompson5910
    • 2 years ago
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    you just add the corresponding components

  13. Katieann16
    • 2 years ago
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    thats what i put & i got it wrong?

  14. jim_thompson5910
    • 2 years ago
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    well there has to be a typo somewhere

  15. Katieann16
    • 2 years ago
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    |dw:1355190638953:dw|

  16. jim_thompson5910
    • 2 years ago
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    it's definitely not (1,9) as you have in the pic, unless (4,2) is really (4,3)

  17. jim_thompson5910
    • 2 years ago
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    oh

  18. jim_thompson5910
    • 2 years ago
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    (1,8) = 1+8i

  19. jim_thompson5910
    • 2 years ago
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    they probably want the answer in a+bi form

  20. Katieann16
    • 2 years ago
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    ohhhhhhhhhh i see

  21. jim_thompson5910
    • 2 years ago
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    (x,y) = x+y*i in general

  22. jim_thompson5910
    • 2 years ago
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    when you have the x axis be the real axis and the y axis be the imaginary axis

  23. Katieann16
    • 2 years ago
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    ok thank you (:

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spraguer (Moderator)
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