A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

The coefficients in the expansion of (x + y)5 are _____. A. 0, 1, 5, 10, 5, 1, 0 B. 1, 5, 10, 5, 1 C. 1, 5, 10, 10, 5, 1 D. 0, 5, 10, 10, 5, 0

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

    is that 5 supposed to be an exponent?

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

    my bad (x+y)^5

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

    Ok. So you would write out (x+y) 5 times Then distribute Then add the like terms

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

    i believe its B? i think I'm doing it wrong

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

    refer to pascal's triangle

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

    |dw:1433970989340:dw| we can put more rows and more rows actually the next row is your answer

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

    (x+y)^2 the coefficients of this expanded is 1,2,1 (x+y)^3 the coefficients of this expanded is 1,3,3,1 (x+y)^4 the coefficients of this expanded is 1,4,6,4,1

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

    |dw:1433971104395:dw| follow the pattern to get the next row

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

    hmm I'm still having trouble

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

    let's look at the 4th and 5th row notice 1+3 is 4 notice 3+3 is 6 notice 3+1 is 4 do you still not see what is going on the table above?

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

    |dw:1433978179254:dw|

  12. 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.