Chapter 3 Test Graphing Linear Functions

Front

What is the equation of a vertical line?

Back

Front

What is the equation of a horizontal line?

Back

Front

What does the slope of a line represent?

Back

The slope of a line represents the rate of change of y with respect to x.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

What is the slope-intercept form of a linear equation?

Back

Front

What does the y-intercept represent in a linear equation?

Back

Front

If a line has a slope of 2, what does this mean?

Back

A slope of 2 means that for every 1 unit increase in x, y increases by 2 units.

Front

Back

The slope of the line is -1.