Question

Which of the following represent the distance formula? Select all that apply.

A. d=(x1−x2)2+(y1−y2)2−−−−−−−−−−−−−−−−−−√
B. d=(x2−x1)2+(y2−y1)2−−−−−−−−−−−−−−−−−−√
C. d=(x2+x1)2+(y2+y1)2−−−−−−−−−−−−−−−−−−√
D. d=|x2−x1|2+|y2−y1|2−−−−−−−−−−−−−−−−−√

Answer 1

A or B

Explanation:

√(x2 - x1)² + (y2 - y1)²

or

✓(x1 - x2)² + (y1 - y2)²