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sonja_lee2 Group Title

Find the slope of the line passing through the given points. Then tell whether the line falls, rises, is horizontal, or is vertical. (14,-3),(4,11)

  • one year ago
  • one year ago

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  1. Hero Group Title
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    Are you familiar with y = mx + b?

    • one year ago
  2. sonja_lee2 Group Title
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    yes

    • one year ago
  3. sonja_lee2 Group Title
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    i know how to find the slope i just dont know how to find out whether if it falls, rises that stuff

    • one year ago
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    Okay, good, now, I'm going to simply plug each point into that formula: -3 = 14m + b 11 = 4m + b Are you with me so far?

    • one year ago
  5. sonja_lee2 Group Title
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    yes

    • one year ago
  6. Hero Group Title
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    Okay, m is the slope, so I'm going to isolate b in both equations: b = -3 - 14m b = 11 - 4m Do you see how I got that?

    • one year ago
  7. sonja_lee2 Group Title
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    kinda

    • one year ago
  8. Hero Group Title
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    It takes a little practice to understand it, but now I'm going to set b = b to get: -3 - 14m = 11 - 4m

    • one year ago
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    Now all I have to do is solve for m: -3 - 11 = 14m - 4m -14 = 10m -14/10 = m - 7/5 = m

    • one year ago
  10. Hero Group Title
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    There we go

    • one year ago
  11. sonja_lee2 Group Title
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    ok i was wait thats not right

    • one year ago
  12. Hero Group Title
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    You entered the answer as soon as I posted it, lol

    • one year ago
  13. sonja_lee2 Group Title
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    kk i got that too

    • one year ago
  14. sonja_lee2 Group Title
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    haha yeah

    • one year ago
  15. Hero Group Title
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    You shouldn't enter the answer so fast :P I guess I can take my own advice in that regard.

    • one year ago
  16. sonja_lee2 Group Title
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    okay

    • one year ago
  17. Hero Group Title
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    Sometimes, I make typos, so you should wait at least one minute after someone posts their answer.

    • one year ago
  18. sonja_lee2 Group Title
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    um ok

    • one year ago
  19. Hero Group Title
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    My fingers are not as bright as my brain

    • one year ago
  20. Hero Group Title
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    Sometimes, my fingers hit keys they shouldn't.

    • one year ago
  21. sonja_lee2 Group Title
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    oh okay its a

    • one year ago
  22. sonja_lee2 Group Title
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    all G

    • one year ago
  23. Hero Group Title
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    By the way, If the slope is NEGATIVE, it FALLS If the slope is POSITIVE, it RISES

    • one year ago
  24. sonja_lee2 Group Title
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    always?

    • one year ago
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    If something falls, it's always going down, right? If a plane rises from the ground, it is always going up, right?

    • one year ago
  26. sonja_lee2 Group Title
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    right

    • one year ago
  27. Hero Group Title
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    |dw:1348449900048:dw|

    • one year ago
  28. sonja_lee2 Group Title
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    ohh i see

    • one year ago
  29. Hero Group Title
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    Yeah just think about a plane either taking a nose dive or lift off

    • one year ago
  30. sonja_lee2 Group Title
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    ohh okay thank u!

    • one year ago
  31. Hero Group Title
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    |dw:1348450045305:dw|

    • one year ago
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