Horizontal and Vertical lines

Front

What type of line has an undefined slope?

Back

Vertical line

Front

What is the slope of the line represented by the equation y = 2x + 3?

Back

Neither vertical nor horizontal

Front

What type of line has a slope of 0?

Back

Horizontal line

Front

What is the equation of a vertical line that passes through x = 4?

Back

x = 4

Front

What is the equation of a horizontal line that passes through y = 1?

Back

y = 1

Front

What is the general form of a vertical line?

Back

x = a (where a is a constant)

Front

What is the general form of a horizontal line?

Back

y = b (where b is a constant)

Front

How do you determine if a line is vertical or horizontal from its slope?

Back

Vertical lines have an undefined slope; horizontal lines have a slope of 0.

Front

What is the slope of the line represented by the equation y = mx + b when m = 0?

Back

The line is horizontal.

Front

If a line is vertical, what can be said about its x-coordinates?

Back

All x-coordinates are the same.