Vertical & Horizontal Lines

Front

What is the definition of a vertical line in a coordinate plane?

Back

A vertical line is a line that goes straight up and down and has an equation of the form x = a, where 'a' is a constant.

Front

What is the definition of a horizontal line in a coordinate plane?

Back

A horizontal line is a line that goes straight left and right and has an equation of the form y = b, where 'b' is a constant.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Front

How can you identify a vertical line from its equation?

Back

A vertical line can be identified by an equation of the form x = a, where 'a' is a specific value.

Front

How can you identify a horizontal line from its equation?

Back

A horizontal line can be identified by an equation of the form y = b, where 'b' is a specific value.

Front

What is the general form of the equation for a vertical line?

Back

The general form of the equation for a vertical line is x = k, where k is a constant.

Front

What is the general form of the equation for a horizontal line?

Back

The general form of the equation for a horizontal line is y = k, where k is a constant.

Front

What is the relationship between vertical lines and the x-axis?

Back

Vertical lines are perpendicular to the x-axis.

Front

What is the relationship between horizontal lines and the y-axis?

Back

Horizontal lines are perpendicular to the y-axis.