julie001
How many units apart are the points (4, 3) and (4, 3)?



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waterineyes
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Use:
\[\large Distance = \sqrt{(x_2  x_1)^2+ (y_2  y_1)^2}\]
\[\large x_2 = 4, x_1 = 4, y_2 = 3, y_1 = 3\]
Plug in the values and find the distance..

julie001
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0?

waterineyes
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You are not taking care of negative signs..
\[Distance = \sqrt{(44)^2 + (3  (3))^2}\]

waterineyes
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4 4 = 8
and:
3  (3) = 3 + 3 = 6

julie001
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so 2 ?

waterineyes
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How??

waterineyes
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I think I have put square above the brackets in the formula.
You have to square them first and then add them..

julie001
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i add them together?

waterineyes
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Before adding please square them that is what Formula is saying..

julie001
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1 got 100

waterineyes
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Yes right..
Now take the square root of 100 ??

julie001
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50

waterineyes
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\(\sqrt{100} = 50 ??\)

waterineyes
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Do you know what is square root ??

julie001
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im rite?

julie001
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10

waterineyes
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Yes now you are right..
Well Done .
That is the distance between them..