Question

what is the length of \\(\overline{cd}\\)?

Explanation:

Step1: Identify coordinates of C and D

Point C is at -2, point D is at 2.

Step2: Calculate distance between C and D

Distance formula on number line: \( |x_2 - x_1| \). So \( |2 - (-2)| = |4| = 4 \).

Answer:

4