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If A=(-1,-3) and B=(11,-8) what is the length of AB
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If A=(-1,-3) and B=(11,-8) what is the length of AB

User Jpellat
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2 Answers

2 votes

The answer is 13 units

User Jyina
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8.0k points
6 votes
distance formula = sqrt (x2 - x1)^2 + (y2 - y1)^2
(-1,-3)...x1 = -1 and y1 = -3
(11,-8)...x2 = 11 and y2 = -8
now we sub
d = sqrt (11 - (-1)^2 + (-8 - (-3)^2
d = sqrt (12^2) + (-5^2)
d = sqrt (144 + 25)
d = sqrt 169
d = 13 <=====length of AB
User Michoel
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8.7k points
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