Chapter 2.1 - Distance

(-5, 1) and (7, -3)

(x₁, y₁) and (x₂, y₂)

(-5, 1) and (7, -3)

(x₁, x₂) and (y₁, y₂)

(-5, 1) and (7, -3)

(y₁, x₂) and (y₂, x₁)

(-5, 1) and (7, -3)

(x₁, y₂) and (x₂, y₁)

$$\sqrt[]{\left(x_2-x_2\right)^2+\left(x_1-x_1\right)^2}$$  

$$\sqrt[]{\left(x_2-y_1\right)^2+\left(y_2-x_1\right)^2}$$  

$$\sqrt[]{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$$  

$$\sqrt[]{\left(y_2-x_1\right)^2+\left(x_2-y_1\right)^2}$$  

$$\sqrt[]{\left(7-5\right)^2+\left(-3-1\right)^2}$$  

$$\sqrt[]{\left(7-y\left(-5\right)\right)^2+\left(-3-1\right)^2}$$  

$$\sqrt[]{\left(-3-1\right)^2+\left(7-5\right)^2}$$  

$$\sqrt[]{\left(-5-7\right)^2+\left(-1-3\right)^2}$$  

$$\sqrt[]{160}$$  

$$12.65$$  

$$16\ \sqrt[]{10}$$  

$$4\ \sqrt[]{10}$$