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anonymous

  • one year ago

Select the equation of the line that passes through the point (2, 6) and is perpendicular to the line x = 4. y = 4 y = 6 x = 6 x = 2 I dont just want the answer. I need someone to explain how to get the answer so i will understand. Will give medals

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  1. MrNood
    • one year ago
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    so - can you sketch the line x=4 |dw:1442170505003:dw| Use the above axes....

  2. anonymous
    • one year ago
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    |dw:1442170570026:dw|i am new at this

  3. anonymous
    • one year ago
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    @MrNood

  4. MrNood
    • one year ago
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    that is the POINT x= 4 the LINE x=4 is like this: |dw:1442170720887:dw| can you draw ANY line on there that is perpendicular to the line?

  5. anonymous
    • one year ago
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    A perpendicular line has to make a 90 angle when crossing that line correct?

  6. anonymous
    • one year ago
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    so i would say no @MrNood

  7. MrNood
    • one year ago
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    yes it has to make a 90 deg angle the line x= 4 is VERTICAL so what would be true about a line which is 90 deg to that?

  8. anonymous
    • one year ago
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    x= -1/4

  9. anonymous
    • one year ago
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    @MrNood got this sorry

  10. MrNood
    • one year ago
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    it's not -1/4 but OK go ahead

  11. anonymous
    • one year ago
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    no i dont want the answer i want to understand how to do this @MrNood

  12. anonymous
    • one year ago
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    @MrNood dont leave

  13. MrNood
    • one year ago
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    what do you mean by 'got this'? you have confused two things when you said -1/4 the slope of a perpendicular line IS -1/m in general - but this question is slightly special because the slope of x=4 is infinite so if the slop of a VERTICAL line is infinite - what is a perpendicular line called (and what is its slope?)

  14. anonymous
    • one year ago
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    @MrNood would the slope be undefined not sure so confused in this section

  15. MrNood
    • one year ago
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    I have drawn the line above. firstly - try to draw a line which is perpendicular to the VERTICAL line I have put VERTICAL in caps a s clue - what is 'opposite' of VERTICAL?)

  16. anonymous
    • one year ago
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    Horizontal

  17. MrNood
    • one year ago
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    OK good the slope of a horizontal line is 0 using my drawing first sketch plot the point 2, 6 then draw a horizontal line through it

  18. anonymous
    • one year ago
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    |dw:1442172256115:dw| @MrNood |dw:1442172378699:dw| i tried to do it staight

  19. MrNood
    • one year ago
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    I don't see either the point (2,6) OR a horizontal line (2,6) means a SINGLE point where x=2 and y = 6 try again

  20. MrNood
    • one year ago
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    |dw:1442172699358:dw| now draw a HORIZONTAL line through it

  21. anonymous
    • one year ago
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    |dw:1442172764172:dw|

  22. MrNood
    • one year ago
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    OK it passes through the point x=2, y=6 it is HORIZONTAL so what can you say about y for ALL points on the line? y=??

  23. MrNood
    • one year ago
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    sorry - gtg the answer is in my last post - just answer that question...

  24. anonymous
    • one year ago
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    6

  25. anonymous
    • one year ago
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    im confused still can anyone help

  26. anonymous
    • one year ago
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    im confused still can anyone help

  27. anonymous
    • one year ago
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    @dirtydan667 can you help please?

  28. anonymous
    • one year ago
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    @nevermind_justschool if you can could you help me please?

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