Midterm Vocab

Front

What is a positive correlation in a scatterplot?

Back

A positive correlation in a scatterplot means that as one variable increases, the other variable also increases.

Front

What must be true if two lines are parallel?

Back

Their slopes are the same.

Front

What is the dependent variable in an equation?

Back

The dependent variable is the variable that depends on the value of another variable, often represented as 'y'.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is zero.

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for a function.

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for a function.

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

What is an independent variable?

Back

An independent variable is the variable that is manipulated or changed in an experiment, often represented as 'x'.

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two quantitative variables.

Front

What does a slope of 1 indicate?

Back

A slope of 1 indicates that for every unit increase in x, y increases by the same amount.