A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

freemap

  • one year ago

Which lines are perpendicular to 5x + 4y = 8? Choose all answers that are correct. A. –5x + 4y = –5 B.5y = –4x – 15 C.5y = 4x + 5 D.–4x + 5y = 10

  • This Question is Closed
  1. Vocaloid
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    our first step is to convert each equation into y = mx + b form, do you know how to do that?

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

    YES, is one of the answers A?

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

    hm, I don't think A is one of the answers, let's walk it through step by step let's start with the original equation 5x + 4y = 8 we can re-arrange this to get 4y = -5x + 8 y = (-5/4)x + 2 the slope of the original equation is (-5/4), so any line that is perpendicular will have a slope of (4/5) check each of the four answer choices to see which one(s) have a slope of 4/5

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

    D

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

    D is one of the answers, yes. there's also one more, can you find it? :)

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

    I think so, just a sec

  7. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @Vocaloid great job

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

    thank you ^_^

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

    its D the answer and i sure about it

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

    yup, C and D are both answers

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

    Thanks so much!!!!

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

    @Vocaloid |dw:1440948128470:dw| @Vocaloid , @freemap

  13. 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.