serinitynicole2 serinitynicole2

13-09-2017
Mathematics

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if A= (-1, -3) and B= (11, -8) what is the length of AB A) 14 units B) 11 units C) 13 units D) 12 units

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Аноним Аноним

13-09-2017

Distance is the formula :

D[tex]AB[/tex] = [tex] \sqrt{(xA - xB)^2 + (yA - yB)^2} [/tex]

so

[tex] \sqrt{(-1 - 11)^2 + (-3 + 8)^2} [/tex]

= 13

Answer is C)

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