Question

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

Answer 1

d=13

Explanation:

the steps are in the pics below

Answer 2

Hi!

`A=(-1,-3) \ and \ B=(11,-8)\\\\|AB|=√((11-(-1))^2+(-8-(-3))^2)\\\\|AB|=√((11+1)^2+(-8+3)^2)\\\\|AB|=√(12^2+(-5)^2)\\\\|AB|=√(144+25)\\\\|AB|=√(169)\longrightarrow\boxedAB`