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March 26, 2017

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Need to check answers.

Q1. Find the length of the following segment created by these pairs of endpoints: (0, 1), (0, 7)
Answer : 0

Q2. Find the length of the following segment created by these pairs of endpoints: (9, 6), (12, 6)

Answer : 3

Q3. Find the length of the following segment created by these pairs of endpoints: (1, 2), (7, 2)

Answer : 2

  • Math, Algebra - ,

    1. d^2=(0-0)^2+(1-7)^2 solve for d, it is not zero.

    2. same formula, answer is correct.

    3. The answer is not two.

    Now on these, the answers are obvious: THINK. On the first, it is a line along the x axis going from 1 to 7, length..
    On the second, it is a vertical line at x=6, going from y=9 to 12. Yep, that is a distance of 3
    On the third, it is a horizontal line along y=2 from x=1 to seven, which is not a length of 2.

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