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

MaeganR Group Title

Write an equation in point-slope form of the line through the given points. Then write the equation in slope-intercept form. #11. (4,0), (-2,1) #12. (-3,-2), (5,3) #13. (-5,1), (3,4) Thats all they give you. And YES I do know the Formulas: Point-slope: y-y1=m(x-x1) Slope-intercept: y=mx+b Slope: m=y2-y1/x2-x1

  • one year ago
  • one year ago

  • This Question is Closed
  1. chihiroasleaf Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    first.., find the slope using the third formula that you write.., then use point-slope formula to find the equation..

    • one year ago
  2. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    m=y2-y1/x2-x1 (4, 0) (-2, 1) m=1-0/-2-4 m=1/-6 m=y2-y1/x2-x1 (-3, -2), (5, 3) m=3-(-2)/5-(-3) m=5/8 m=y2-y1/x2-x1 (-5, 1) (3, 4) m=4-1/3-(-5) m=3/8

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

    SLOPE= -0.16

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

    @Butterfly16 Thats what I've done before, but then people come along, and tell me I'm wrong! ):

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

    And why are you finding the slope 3 times?

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

    because you have three questions and each question have equation... :)

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

    oh, well I'm on #11.

    • one year ago
  8. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    y-y1=m(x-x1) (4,0), (-2,1) y-0=(1/-6)(x-4) y-0= -0.16x+0.7 y=-0.16x+0.7 Yeah, I just finding the slope for all of them. :o)

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

    Im so freaking confused.

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

    now.., using the similar way.., you can solve questions #12 and #13 can you? :)

    • one year ago
  11. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    y1 and x1 just stand for the points. So (4, 0) is the point, so y1 is 0 and x1 is 4. That would the equation for the point-slope form for that set of points.

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

    but you have to write it in point-slope form?!

    • one year ago
  13. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Then, I guess you can just plug in the numbers into the point-slope form so it'd just be: y-0=(1/-6)(x-4)

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

    but don't you have to do 2 equations because of (4,0) and (-2,1)

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

    @Butterfly16 has write it in slope-intercept form slope-intercept form is y = mx+ c , No.., points (4,0) and (-2,1) are on the same line.., so just choose one of them..

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

    |dw:1358115682620:dw|

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

    because like that?

    • one year ago
  18. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Yip, the line would look like that. :o)

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

    |dw:1358115910689:dw|

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

    yup.., it's for the second line... :)

    • one year ago
  21. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Awesome job! :o)

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

    y-y1=m(x-x1) y--2=1/2(x--3) help

    • one year ago
  23. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    The points for number 12?

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

    @erdog82 Kinda.

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

    #12. i got that far but I'm stuck now.

    • one year ago
  26. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    y-y1=m(x-x1) (-3, -2) (5, 3) y-(-2)=(5/8)(x-(-3)) y+2=0.625x-1.875 y=0.625x-3.875

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

    but y=mx+b

    • one year ago
  28. Butterfly16 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Yup, so for #12 it'd be y=0.625x-3.875

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

    but thats y=mx-b it should be y=mx+b though right?

    • one year ago
  30. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    why are you guys using decimals? fractions are easier

    • one year ago
  31. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    no, it depends, if you are adding a negative, its the same as subtracting, and its okay @MaeganR

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

    Can someone show mw how you get #13 now?

    • one year ago
  33. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    ok

    • one year ago
  34. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    4-1/ 3--5 (or 3+5) so what is that?

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

    |dw:1358116987370:dw|

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

    And @erdog82 what are you doing?

    • one year ago
  37. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    how do you get from y-1= 3/8 x--5 to y=mx +b form?

    • one year ago
  38. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    its as simple as adding 1 number

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

    idk. I was trying to do it like @Butterfly16 was doing it.

    • one year ago
  40. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    oh and its y-1=3/8 x+5

    • one year ago
  41. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    so you add 1 to 5 and you get..

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

    6

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

    y=3/8x+6 ?

    • one year ago
  44. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    so its y=3/8 x +6

    • one year ago
  45. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yes!

    • one year ago
  46. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    wasn't that easier than you thought?

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

    A lil bit

    • one year ago
  48. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Well, it seemed like the other people were kinda confusing..

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

    just a little

    • one year ago
  50. erdog82 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    well.. your done!

    • 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.