Question

Find the distance between each pair of points.

a. 4√5

b. 3√5

c. 3

d. 2√5

Answer 1

(-1, -1) and (-4,5)

Distance between them ,

`\sqrt{ {( - 4 + 1)}^(2) + {(5 + 1)}^(2) }`

`= \sqrt{ {( - 3)}^(2) + {(6)}^(2) }`

`= √(9 + 36) = √(45) = 3 √(5)`

Option B