Unit 3: Functions and Graphs Vocabulary PRE-TEST

Front

What must an equation have?

Back

An equation must have an equal sign.

Front

What does the slope of a line represent in a graph?

Back

The slope represents how steep the line is.

Front

What is a distance-time graph?

Back

A distance-time graph shows the distance traveled over time, typically with distance on the vertical axis and time on the horizontal axis.

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two variables using dots to represent data points.

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input.

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 a function to be linear?

Back

A linear function is a function that graphs to a straight line, represented by the equation y = mx + b.

Front

What is the y-intercept of a graph?

Back

The y-intercept is the point where the graph crosses the y-axis.

Front

What is the x-intercept of a graph?

Back

The x-intercept is the point where the graph crosses the x-axis.