A line segment, AC, has point B between A and C. Segment AC is x in length. Let segment AB be of length 12 units. What is an expression for the other segment, BC?

Question

Quizplus · Accepted Answer

Since segment AC is x in length and segment AB is 12 units long, segment BC must be the difference between these two lengths. That is, BC = AC - AB = x - 12. Therefore, the expression for segment BC is (C) x - 12.

A Line Segment, AC, Has Point B Between a and C