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anonymous

  • one year ago

Write the equation of the line that is perpendicular to the line y = 2x + 2 and passes through the point (6, 3). Choose one answer. a. y = 2x + 6 b. y = −one halfx + 3 c. y = −one halfx + 6 d. y = 2x + 3

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  1. Sachintha
    • one year ago
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    So can you work out?

  2. anonymous
    • one year ago
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    yeah

  3. Rhystic
    • one year ago
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    So this is similar to the parallel problem except the rule for perpendicular lines is that the gradient/slopes are inverse of each other so if you had a slope of -3 the perpendicular line would have a slope of 3.

  4. Sachintha
    • one year ago
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    Remember that this is not parallel. It's perpendicular to the line y = 2x+2.

  5. anonymous
    • one year ago
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    So the slope for the other line is -2?

  6. Sachintha
    • one year ago
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    No

  7. anonymous
    • one year ago
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    or -1/2

  8. Sachintha
    • one year ago
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    Yeah correct!

  9. anonymous
    • one year ago
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    So it is b or c?

  10. anonymous
    • one year ago
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    now i plug in the x?

  11. Sachintha
    • one year ago
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    As previously check whether the y value is 3 by plugging x = 6.

  12. anonymous
    • one year ago
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    c?

  13. Sachintha
    • one year ago
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    Can you show the calculation steps?

  14. anonymous
    • one year ago
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    y= -1/2+6

  15. anonymous
    • one year ago
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    -1/2x

  16. anonymous
    • one year ago
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    so 6 x -1/1 = 3

  17. anonymous
    • one year ago
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    wait.

  18. anonymous
    • one year ago
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    oh ok so y= -1/2x + 6 -1/2 x 6 = -3 -3 + 6 = 3 y=3

  19. Rhystic
    • one year ago
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    here did you get the 6 from?

  20. anonymous
    • one year ago
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    the x ?

  21. Sachintha
    • one year ago
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    I have to recheck too. :D

  22. Rhystic
    • one year ago
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    youre math is a bit off. it should be b double check yotur work

  23. anonymous
    • one year ago
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    Im not sure where i went wrong ;/

  24. Sachintha
    • one year ago
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    @Rhystic How can it be b?

  25. Sachintha
    • one year ago
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    Kyle is right unless I am wrong.

  26. anonymous
    • one year ago
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    should i open up another thread and do another?

  27. Sachintha
    • one year ago
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    Your wish. :)

  28. Sachintha
    • one year ago
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    You can check these by plotting them online.

  29. Rhystic
    • one year ago
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    no youre right my math was off sorry about that.

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