Question

If A = (4,-5) and B = (7.-9), what is the length of AB?​

Answer 1

5

Explanation:

We can figure out the length of AB by using the distance formula.

`D = \sqrt{(7-4)^(2) + (-9-(-5))^(2) }\\ D = \sqrt{(3)^(2) + (-4)^(2) }\\D = √(9 + 16)\\D = √(25)\\D=5`

So the distance is 5