Semester 1 Exam

Front

What type of association does a scatter plot represent when the data points do not form a straight line?

Back

Nonlinear association

Front

What is a function in mathematics?

Back

A relation where each input has exactly one output.

Front

What can be concluded if a survey shows that more than half of the band members in a class are girls?

Back

There is a significant representation of girls in the band class.

Front

What characterizes a linear equation?

Back

An equation that graphs to a straight line.

Front

What is the difference between a linear function and a nonlinear function?

Back

A linear function has a constant rate of change, while a nonlinear function does not.

Front

What does a positive linear association in a scatter plot indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative association in a scatter plot indicate?

Back

As one variable increases, the other variable decreases.

Front

How can you determine if a mapping is a function?

Back

Check if each input is paired with exactly one output.

Front

What is an example of a nonlinear function?

Back

y = x^2 is a nonlinear function.

Front

What is an example of a linear function?

Back

y = 2x + 3 is a linear function.