Horizontal and Vertical Lines

Front

What is the equation of a horizontal line?

Back

The equation of a horizontal line is of the form y = c, where c is a constant.

Front

What is the equation of a vertical line?

Back

The equation of a vertical line is of the form x = c, where c is a constant.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is ZERO.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is UNDEFINED.

Front

If a line has a slope of -7, what type of line is it?

Back

It is a diagonal line with a negative slope.

Front

What does the equation y = 1 represent?

Back

It represents a horizontal line that crosses the y-axis at 1.

Front

What does the equation x = -4 represent?

Back

It represents a vertical line that crosses the x-axis at -4.

Front

How do you identify a horizontal line on a graph?

Back

A horizontal line runs parallel to the x-axis and has a constant y-value.

Front

How do you identify a vertical line on a graph?

Back

A vertical line runs parallel to the y-axis and has a constant x-value.

Front

What is the general form of a linear equation?

Back

The general form of a linear equation is y = mx + b, where m is the slope and b is the y-intercept.