Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

thatjacksonguy

  • 3 years ago

what is the equation of a line that has a slope of -1 and passes through the point(-3,12)??

  • This Question is Closed
  1. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Do you know point slope form of the equation of a line?

  2. thatjacksonguy
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no

  3. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[y-y _{1}=m(x-x _{1})\]

  4. thatjacksonguy
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    dont i need two points??

  5. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    replace ysub1 with 12. replace m with -1. replace xsub1 with -3 and solve for y

  6. thatjacksonguy
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok im a little lost now

  7. thatjacksonguy
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    wont i still have x?

  8. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[y-12=-1(x- -3)\]

  9. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[y-12=-1(x+3)\]

  10. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[y-12=-x-3\]

  11. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    y=-x+9

  12. thatjacksonguy
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ohhh ok i understand now thanks again..

  13. Mertsj
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    And that is the equation of a line whose slope is -1 and passes through the point (-3,12).

  14. 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