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anonymous

  • 4 years ago

]Identify the correct x intercept and y intercept of the equation x + 7y = -21. x intercept = (3, 0); y intercept = (0, 21) x intercept = (-3, 0); y intercept = (0, -21) x intercept = (21, 0); y intercept = (0, 3) x intercept = (-21, 0); y intercept = (0, -3)

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  1. karatechopper
    • 4 years ago
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    for y int, make x=0 and solve for x int make y=0 and solve

  2. amistre64
    • 4 years ago
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    given the form: ax+by=c yint = c/b xint = c/a

  3. amistre64
    • 4 years ago
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    and since the zeros are in the right spots, you just gotta determine the number

  4. karatechopper
    • 4 years ago
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    i say the second one is the answer... click good asnwer for amistre and me and mark please!!

  5. amistre64
    • 4 years ago
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    really? since -21/1 = -21 id go number 4

  6. karatechopper
    • 4 years ago
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    have you solved for your x int yes amistre?

  7. amistre64
    • 4 years ago
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    x + 7y = -21 x = -21/1 y = -21/7

  8. karatechopper
    • 4 years ago
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    cuz the way u sloved...i understand what u did u made a big mistake...

  9. amistre64
    • 4 years ago
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    when x=0 ... y = -3 still

  10. karatechopper
    • 4 years ago
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    t o what i think

  11. karatechopper
    • 4 years ago
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    or let me think tht over..

  12. amistre64
    • 4 years ago
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    yint = (0,-3) still #4

  13. amistre64
    • 4 years ago
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    when y=0 x=-21, still xint = (-21,0) still

  14. karatechopper
    • 4 years ago
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    ah yes no my mistake i figured out what was wrong..yes i was wrong..i put a dif variable in..whoops my mistake king amistre u r totally correct

  15. amistre64
    • 4 years ago
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    .... im prone to error, so its good to dbl chk :)

  16. karatechopper
    • 4 years ago
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    more like tripple!

  17. amistre64
    • 4 years ago
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    this thing says I good answered you, hmm; musta been while I was typing lol

  18. amistre64
    • 4 years ago
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    oh well, cant give it twice ;)

  19. anonymous
    • 4 years ago
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    it the 2 one

  20. karatechopper
    • 4 years ago
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    hahaha,

  21. amistre64
    • 4 years ago
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    not unless you typoed the question

  22. karatechopper
    • 4 years ago
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    @louis i just proved that number 2 was wrong with amistre..its number 4

  23. amistre64
    • 4 years ago
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    oh well, theyll be back ...

  24. karatechopper
    • 4 years ago
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    hmm

  25. karatechopper
    • 4 years ago
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    hehy amistre do u have any experience with trignometry?

  26. anonymous
    • 4 years ago
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    yes choice 4 im sorry

  27. amistre64
    • 4 years ago
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    i now trig, occasionally

  28. anonymous
    • 4 years ago
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    i put it on reversed lol

  29. karatechopper
    • 4 years ago
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    @amistre can you teach me some basic trig?

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