Question

what is the length of $overline{uv}$?

Explanation:

Step1: Identify the coordinates

The coordinate of point U is - 2 and the coordinate of point V is 0.

Step2: Use the distance formula on a number - line

The distance between two points \(a\) and \(b\) on a number - line is \(d=\vert a - b\vert\). Here, \(a=-2\) and \(b = 0\), so \(d=\vert-2 - 0\vert=\vert-2\vert = 2\).

Answer:

2