Find the distance between the two coordinate points ex 1

The video tutorial explains how to find the distance between two coordinate points using the distance formula. It begins with an introduction to the concept and the formula, followed by a detailed explanation of the variables involved, such as X and Y coordinates with subscripts. The tutorial then demonstrates the application of the formula through a step-by-step calculation, ensuring to highlight common mistakes like handling negative signs. Finally, the video concludes with the calculation of the distance, emphasizing the importance of a positive result.

What is the result of squaring the differences in the distance formula, and why is it important?

After calculating the distance, why must the final answer be a positive quantity?