KiArUnsYu
What is the length of AB ? Round to the nearest hundredth.
5.83
6.32
7.12
3.70



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hartnn
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where r the points ?

KiArUnsYu
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hartnn
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could you first find coordinates of A and B ?

KiArUnsYu
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A is (1,3) and B is (5,1)

hartnn
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correct, now use
Distance between points (x1,y1) and (x2,y2) is
\(\huge d=\sqrt{(x_1x_2)^2+(y_1y_2)^2}\)

KiArUnsYu
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i got 7.2

hartnn
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how ?
ty again...

hartnn
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*try again

hartnn
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7.2 is incorrect..

KiArUnsYu
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crap.

hartnn
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show your work, i'll spot the error.

KiArUnsYu
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(15) is 6^2 which turns into 36

hartnn
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correct
what about 3 and 1

KiArUnsYu
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OHMYSNAPP. its too early. thats why im making mistakes hehe okay i got it.

hartnn
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glad to hear that :)

hartnn
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that you got it*

KiArUnsYu
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haha thanks.

hartnn
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welcome ^_^