Equation of Vertical and 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?

x = 8

• vertical

• horizontal

• neither

What is the equation of a line with an undefined slope that goes through point
(-3,5)?

• x = -3

• x = 5

• y = -3

• y = 5

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

• Horizontal line

• Vertical line

• Both

• Neither

The line x = -11 has what kind of slope?

• Positive

• Negative

• Zero

• Undefined

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

y = −3

• vertical

• horizontal

• neither

What is true about a horizontal line?

• The equation will be y =

• The equation will be x =

• The slope is negative.

• The slope is undefined.

What is the slope of a horizontal line?

• 0

• undefined

What would the graph of the equation x = -4 look like? 

• Horizontal line

• Vertical line

Which of the following would represent a vertical line?

• y = -5

• x = 3

• y = 4x +3

• None of the above