Question

Find the distance between the points given.

(-1, -1) and (1, 3)

√5
√(17)
2√5

Answer 1

2√5

Explanation:

d = √(x2 - x1)² + (y2 - y1)²

= √[1 - (-1)]² + [3 - (-1)]

= √(2)² + (4)²

= √(4) + (16)

= √20

= 2√5