SOLUTION: if A=(4,-5)and B=(7,-9)what is the length of AB ?

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Question 1207283: if A=(4,-5)and B=(7,-9)what is the length of AB ?

Answer by ikleyn(52834)   (Show Source): You can put this solution on YOUR website!
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if A=(4,-5) and B=(7,-9), what is the length of AB ?
~~~~~~~~~~~~~~~~~~~~~ 

Apply the distance formula


    d = .


where A = (,), B = (,).

In your case  A = (,) = (4,-5),  B = (,) = (7,-9).


THEREFORE,

|AB| =  =  =  = 5.    ANSWER

Solved.



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