If A = (4, -5) and B = (7, -9), what is the length of AB ? A. 6 units B. 5 units C. 8 units D. 7 units

Question

asked Sep 1, 2020 178k views

2 Answers

Taariq · Answer 1 · 2020-09-07T04:57:49+0000

Answer:

5 (Answer B)

Explanation:

As we move from A to B, x increases by 3 and y decreases by 4. Apply the Pythagorean Theorem:

(length of AB) = √(3² + [-4]²) = 5 (Answer B)