SOLUTION: Hi. My brain is being fried by this equation. I have been trying to solve it for three hours. The textbook says the answer is the square root of 20, but I am still unable to work i

Algebra ->  Pythagorean-theorem -> SOLUTION: Hi. My brain is being fried by this equation. I have been trying to solve it for three hours. The textbook says the answer is the square root of 20, but I am still unable to work i      Log On


   



Question 778598: Hi. My brain is being fried by this equation. I have been trying to solve it for three hours. The textbook says the answer is the square root of 20, but I am still unable to work it out. Using the Pythagorean Theorem, calculating the distance between A and B.


A's coordinates are: (Xa: a + 1. Ya: 2a + 3).
B's coordinates are: (Xb: a - 1. Yb: 2a - 1).




The steps to the textbook's answer elude me. Any help would be appreciated.

Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
See the solution to the question from the link below
http://www.algebra.com/algebra/homework/Coordinate-system/Coordinate-system.faq.question.778595.html