Identify the independent variable in the relationship.
A person burns c calories walking m miles
A. calories c
B. miles m
C. neither c, calories or m miles
D. both c, cars and d dollars
To identify the independent variable in the given relationship, we look for the variable that is being manipulated or changed to observe its effect on another variable.
In this case, the person is burning calories by walking a certain number of miles. The number of calories burned depends on the number of miles walked.
Therefore, the independent variable in this relationship is the number of miles walked, which is represented by option B: miles m.
http://www.sciencebuddies.org/science-fair-projects/project_variables.shtml
What do you think?