Rapid-Fire Questions

How to Use This Drill

This lesson is a drill, not a reading. It holds 25 short questions, grouped by module. Each answer stays hidden until you open it, and it links the lesson that teaches the idea. Its bold first sentence holds the core of the answer. The sentences after it add detail that a strong spoken answer can include.

Every question asks for a deciding variable. A deciding variable is the one fact that decides between two or more options. For example, whether to call a hosted model or run your own often depends on how high and steady the traffic is