Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

africaz111 Group Title

When the quadratic equation y = (x − 5)(2x + 3) is written in standard form, what is the value of the coefficient "b"? answers: 7 −7 2 −15

  • one year ago
  • one year ago

  • This Question is Closed
  1. Decart Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    -7

    • one year ago
  2. africaz111 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    can you explain?

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

    \[2x ^{2}-7x-15\]

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

    foil

    • one year ago
  5. africaz111 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    ok. can you help me with another problem?

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

    ?

    • one year ago
  7. africaz111 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Identify which equation is a quadratic equation. y = −5x − 3 y = −4x(x + 10) + 34 y + x2 = (x − 4)(x + 3) y − 2 = (x − 2)(x2 + 1)

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

    quadratic means that a variableis raised to the power of 2

    • one year ago
  9. africaz111 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    ok so the second one?

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

    no you have to simplify them

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

    there may be more than one

    • one year ago
  12. africaz111 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    ok. thank you

    • one year ago
    • Attachments:

See more questions >>>

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.