Discuss a real-life situation where a straight-line graph might be applicable and explain why you think this might be true.

Think about a real-life situation that follows a linear equation, with the independent variable being years. What would the slope tell you about future years?

## Answers (1)

HINT: Think about depositing money in a bank under a fixed-interest scheme.

COMMENT: The situation I have described above should be one where a straight-line graph is applicable and the independent variable also happens to be the number of years. Hence, you can kill two birds with one stone!