Graphing Vertical Horizontal Lines

Does the following equation represent a vertical line, a horizontal line, or neither?

x = 4

• vertical

• horizontal

• neither

Does the following equation represent a vertical line, a horizontal line, or neither?

y = −3

• vertical

• horizontal

• neither

Does a line with the following slope represent a vertical line, a horizontal line, or neither?

Slope of 0

• vertical

• horizontal

• neither

Does a line with the following slope represent a vertical line, a horizontal line, or neither?

Undefined slope

• vertical

• horizontal

• neither

What is the equation of the line shown in the graph?

• x = 5

• y = 5

• y = 5x

• x = −5

Which type of line runs parallel to the y-axis?

• Horizontal line

• Vertical line

• Both

• Neither

Which type of line runs parallel to the x-axis?

• Horizontal line

• Vertical line

• Both

• Neither

What is the equation of the line in the graph?

• x = −1

• y = −1

• y = −1x

• y = x − 1

What is the equation of the graphed line?

• y = 3

• y = 3x

• x = 3

• x = 3y

What is the equation of the red graph pictured?

• y = −4

• x = −4

• y = 4

• x = 4