Distance Formula

How is the distance formula correctly written? Options: $$d = \sqrt{(y_1 - y_2)^2 - (x_2 - x_1)^2}$$ , $$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$$ , $$d = \sqrt{(y_1 - y_2)^2 + (x_2 - x_1)^2}$$ , $$d = \sqrt{(x)^2 - (y)^2}$$

A(3,1) B(-2,-1) written correctly is:
Options:
1. $$\sqrt{\left(-2-3\right)^2\ +\ \left(-1-1\right)^2}$$
2. $$\sqrt{\left(1-3\right)^2\ +\ \left(-1-2\right)^2}$$
3. $$\sqrt{\left(-2-3\right)^2\ -\ \left(-1-1\right)^2}$$
4. $$\sqrt{\left(-2-3\right)^2\ -\ \left(-1-1\right)^2}$$

What is the distance between AB? Options: 0, 8, 9, 7

What is the distance between AB?

How is AB written in the distance formula?

Find the distance.

Find the distance between (-3, -11) and (8, -42).

AB = 5 on the coordinate plane. If B(2,1), which point could NOT be another location of A? Options: (-1,5), (6,4), (-2,-2), (4,-3), (-3,1)

Find the direct distance between the court house and the town hall.

The distance formula is another way to write which of the following? quadratic formula, slope formula, Pythagorean theorem, none of these answers