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

christie1407 Group Title

how do I know if (-3,4) is a solution to 5x-2y=-23? please show me how to work this, thanks.

  • 2 years ago
  • 2 years ago

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

    Put x = -3 in the equation & see if y turns out to be 4. :)

    • 2 years ago
  2. KDroid Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes it does turns out to be 4. -3,4 is a solution of the given equation. :D

    • 2 years ago
  3. Cynosure-EPR Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Hey there, (-3,4) is in the form of (x,y). So 'x=-3' and 'y=4'. Simply plug these values into the equation and see if the left side equals the right side. If it does, then it is a solution.

    • 2 years ago
  4. KDroid Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    5(-3) -2y = -23 2y = -15 - (-23) 2y=8 y=4

    • 2 years ago
  5. christie1407 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    thank you

    • 2 years ago
  6. gurvinder Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    put (-3,4) in ur equation if u get 0 this mean (-3,4) is a soln.

    • 2 years 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.