points lines and planes answer key
n the plane. Practical Applications and Examples Example 1: Identifying Collinear Points Suppose points A(1, 2), B(3, 4), and C(5, 6). Are these points collinear? To determine this, find the slope between A and B and between B and C. Slope of AB = (4 - 2) / (3 - 1) = 2 / 2