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anonymous

  • one year ago

what is the distance between (7,1) and (-4,-5)? A. 3 square root of 3 B. square root of 137 C. square root of 157 D. 5

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  1. Nnesha
    • one year ago
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    \[\huge\rm \sqrt{(x_2 -x_1)^2+(y_2 -y_1)^2}\] formula to find distance x and y values are \[\huge\rm (x_1 ,y_1)(x_2 ,y_2)\] substitute x and y values :-)

  2. anonymous
    • one year ago
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    i got 5 is that wrong?

  3. Nnesha
    • one year ago
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    yes that's wrong how did you get 5 ?

  4. anonymous
    • one year ago
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    idk lol

  5. Nnesha
    • one year ago
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    just substitute numbers instead guessing :(

  6. anonymous
    • one year ago
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    i did. im honestly not sure how to do it. didnt really understand this lesson in class.

  7. Nnesha
    • one year ago
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    alright list x and y values x_1 = ? x_2 = ? y_1 =? y_2 = ?

  8. anonymous
    • one year ago
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    oh i got square root of 157 now. but what about the secound part how do i do that?

  9. Nnesha
    • one year ago
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    2nd part ?

  10. anonymous
    • one year ago
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    yea like how you had (x1,y1) and (x2,y2)

  11. anonymous
    • one year ago
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    or is that supposed to be the final answer?

  12. Nnesha
    • one year ago
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    x and y values are in order pair x_1 meaning first x X_2 2nd x

  13. Nnesha
    • one year ago
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    |dw:1433633191206:dw|

  14. anonymous
    • one year ago
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    yea thats what i did and got sqaure root of 157

  15. Nnesha
    • one year ago
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    okay.

  16. anonymous
    • one year ago
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    oh my bad that was the first part i got 157 but idk what you are doing in that secound part? is that the answer or do i do more and get another answer?

  17. Nnesha
    • one year ago
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    how did you get 157 ?

  18. Nnesha
    • one year ago
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    square root of 157***?

  19. anonymous
    • one year ago
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    |dw:1433633369848:dw|

  20. Nnesha
    • one year ago
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    yep right that's it factor of 157 is just one so final answer is square root of 157 :-) nice

  21. Nnesha
    • one year ago
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    wait

  22. anonymous
    • one year ago
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    okay thankyou

  23. anonymous
    • one year ago
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    its not right?

  24. Nnesha
    • one year ago
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    |dw:1433633599820:dw| -5-1 it's not -5--1 bec negative times negative = positive so it becomes -5+1 which is not correct

  25. Nnesha
    • one year ago
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    |dw:1433633663476:dw|

  26. anonymous
    • one year ago
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    okay thankyou

  27. Nnesha
    • one year ago
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    np

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