A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Janu16

  • one year ago

Which of the following are equivalent? Justify your reasoning Wait till i draw all the options

  • This Question is Closed
  1. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1438040615062:dw|

  2. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @DanJS

  3. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    What does choice B simplify to?

  4. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    x1?

  5. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    x^1 you mean? if so, then yes x^1 = x |dw:1438041275973:dw|

  6. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    how about choice C?

  7. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ya that

  8. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    how do you simplify tht? add?

  9. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1438041368560:dw|

  10. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Due to the rule \[\LARGE x^a*x^b = x^{a+b}\]

  11. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1438041074473:dw|

  12. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    good

  13. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    wait 3x

  14. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so C is not equal to A, and not equal to B

  15. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no there's no 3x

  16. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    oh ok

  17. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1438041475304:dw|

  18. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok i see

  19. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    now simplify D

  20. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so you just add the top right so 3/3?

  21. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    is there 3x for this

  22. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yeah 1/3+1/3+1/3 = (1+1+1)/3 = 3/3

  23. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no 3x

  24. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    x*x = x^2 NOT x*x = 2x

  25. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so x3/3 only?

  26. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\Large x^{1/3}*x^{1/3}*x^{1/3} = x^{1/3+1/3+1/3}\] \[\Large x^{1/3}*x^{1/3}*x^{1/3} = x^{(1+1+1)/3}\] \[\Large x^{1/3}*x^{1/3}*x^{1/3} = x^{3/3}\] \[\Large x^{1/3}*x^{1/3}*x^{1/3} = x^{1}\] \[\Large x^{1/3}*x^{1/3}*x^{1/3} = x\]

  27. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1438041705953:dw|

  28. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so b and d are equivalent?

  29. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    correct

  30. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so how do i justify the reasoing

  31. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @jim_thompson5910

  32. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    You're simplifying each expression using the rule \[\LARGE x^a*x^b = x^{a+b}\]

  33. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    for part B, you also use the fact that \[\Large \frac{1}{x^{-k}} = x^k\]

  34. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok thanks!

  35. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no problem

  36. Janu16
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i will just out it in words

  37. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.