Question

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

Answer 1

Hi!

$A=(-1,-3) \ and \ B=(11,-8)\\\\|AB|=\sqrt{(11-(-1))^2+(-8-(-3))^2}\\\\|AB|=\sqrt{(11+1)^2+(-8+3)^2}\\\\|AB|=\sqrt{12^2+(-5)^2}\\\\|AB|=\sqrt{144+25}\\\\|AB|=\sqrt{169}\longrightarrow\boxed{|AB|=13}$

Answer 2

Answer:

d=13

Step-by-step explanation:

the steps are in the pics below