Which expression gives the unit length of the line segment with endpoints (−12,8) and (2,8)? |−12|+|2|
|−12|−|2|
|8|+|8|
|8|−|8|

Ais c multiple rthvjjbv

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.