Determine if Three Points are Collinear - Distance Formula Method Practice Test Full Solutions

Learn how to determine if three points are collinear using the distance formula method in this comprehensive 33-minute video tutorial. Explore step-by-step solutions for five practice problems, covering the process of calculating distances between point pairs and comparing them to assess collinearity. Understand the limitations of this approach and discover more efficient alternatives like using the area of a triangle with matrices or slope comparison. Follow along with detailed explanations for each problem, starting from the basics and progressing through increasingly complex scenarios.

Problem #1
Problem #2
Problem #3
Problem #4
Problem #5