Algebra-1

Question Analysis
This question tests the student's ability to identify the dependent variable in a given scenario. The key is to understand that the dependent variable is what is being observed or measured as a result of changes in the independent variable.

Key Concept Explanation
In this context, the independent variable (number of hours spent on homework) is the cause, and the dependent variable (students' test scores) is the effect. The relationship between these variables is crucial for understanding how one affects the other.

Step-by-step Solution
1. Identify the independent variable: ...