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anonymous

  • one year ago

elect the equations that are parallel and perpendicular to y = x + 5 and that pass through the point (−2, −1)

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  1. madhu.mukherjee.946
    • one year ago
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    when parallel slopes of 2 lines are equal and when perpendicular slope is - inverse

  2. madhu.mukherjee.946
    • one year ago
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    so what do you think the slopes in this case will be

  3. anonymous
    • one year ago
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    oppisite?

  4. madhu.mukherjee.946
    • one year ago
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    y=x+5 so parallel slope will be 1 and perpendicular slope will be -1

  5. anonymous
    • one year ago
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    parallel: y = x − 1 perpendicular: y = −x + 1?

  6. anonymous
    • one year ago
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    my options

  7. madhu.mukherjee.946
    • one year ago
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    okay ,now to find your answer you gotta use the formula- y-y1=m(x-x1)

  8. madhu.mukherjee.946
    • one year ago
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    u will use this formula when you will be asked to find the equation of the line passing through a point or two points

  9. madhu.mukherjee.946
    • one year ago
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    so parallel equation will be- y+1=1(x+2) y+1=x+2 y=x+1

  10. anonymous
    • one year ago
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    this confused me

  11. madhu.mukherjee.946
    • one year ago
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    now perpendicular- y+1=-1(x+2) y=-x-3

  12. anonymous
    • one year ago
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    thank you, i hope i'll understand it during my test xD

  13. madhu.mukherjee.946
    • one year ago
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    which one say

  14. anonymous
    • one year ago
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    ?

  15. madhu.mukherjee.946
    • one year ago
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    u mention which portion

  16. anonymous
    • one year ago
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    d right

  17. madhu.mukherjee.946
    • one year ago
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    yeah

  18. anonymous
    • one year ago
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    tyty

  19. madhu.mukherjee.946
    • one year ago
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    did you not understand the formula

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