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cc33 Group Title

Choose the slope-intercept equation of the line that passes through the point (-5, -1) and is perpendicular to y = 5/2x + 2. A. y = 2/5x + 1 B. y = -5/2x -27/2 C. y = -2/5x - 3 D. y = 5/2x + 23/2

  • one year ago
  • one year ago

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  1. zordoloom Group Title
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    What is the slope of this line: y = 5/2x + 2?

    • one year ago
  2. cc33 Group Title
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    idk

    • one year ago
  3. cc33 Group Title
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    is it like the same thing we did last time?

    • one year ago
  4. zordoloom Group Title
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    no

    • one year ago
  5. cc33 Group Title
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    oh. i forgot how to do this then

    • one year ago
  6. zordoloom Group Title
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    have you seen this equation before: y=mx+b?

    • one year ago
  7. cc33 Group Title
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    yes

    • one year ago
  8. zordoloom Group Title
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    m is the slope is If you look at the equation y = 5/2x + 2, can you see how it's the same format?

    • one year ago
  9. cc33 Group Title
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    oh yeah

    • one year ago
  10. zordoloom Group Title
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    So if you compare it to the format of y=mx+b, and if "m" represents the slope, can you find the slope of y = 5/2x + 2?

    • one year ago
  11. cc33 Group Title
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    so is the answer D?

    • one year ago
  12. zordoloom Group Title
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    no

    • one year ago
  13. zordoloom Group Title
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    But you are close.

    • one year ago
  14. zordoloom Group Title
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    The question asked for a perpendicular line to y = 5/2x + 2

    • one year ago
  15. zordoloom Group Title
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    That means that it will be negative inverse

    • one year ago
  16. zordoloom Group Title
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    so it will look like -2/5

    • one year ago
  17. cc33 Group Title
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    ohhhhh okay

    • one year ago
  18. cc33 Group Title
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    so its B

    • one year ago
  19. zordoloom Group Title
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    no

    • one year ago
  20. zordoloom Group Title
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    It's C

    • one year ago
  21. cc33 Group Title
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    oh thank you. Im really thankful of you helping me. :)

    • one year ago
  22. zordoloom Group Title
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    yep!

    • one year ago
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