A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

mckenzieandjesus

  • one year ago

What is the standard form of the equation of the circle in the graph? (x - 1)2 + (y - 2)2 = 16 (x - 1)2 + (y - 2)2 = 4 (x + 1)2 + (y + 2)2 = 16 (x + 1)2 + (y + 2)2 = 4

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

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

    @jim_thompson5910

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

    I think it is answer D

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

    why D?

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

    what's your thinking on it

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

    because i thought that its positive 1 and 2 up

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

    but i forget how to do this so i wasnt sure

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

    this is a common mistake, the signs actually are flipped

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

    since you have (x-h) and (y-k)

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

    ohh

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

    http://www.regentsprep.org/regents/math/algtrig/atc1/circlelesson.htm

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

    so then would it be B?

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

    what is the radius here

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

    (1, 2)?

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

    or 2?

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

    it's the distance from center to edge of the circle

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

    5

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

    you miscounted

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

    i know its 4 because 1^2*2^2= 4

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

    oh then 4

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

    r = 4 so r^2 = 16

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

    in that link they have r^2 on the right side not just r

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

    ohh

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

    its A then right?

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

    yes

  26. 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.