Equation of Horizontal and Vertical 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

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 would the graph of y = 8 look like?

• Horizontal line

• Vertical line

• Slanted line

• No way to tell

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

y = 5

• 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 a zero slope that goes through the point
(6, 7) ?

• x = 6

• x = 7

• y = 6

• y = 7

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

• Horizontal line

• Vertical line

• Both

• Neither

What is the slope of a horizontal line?

• 0

• undefined

Which of the following would be graphed as a horizontal line?

• y = -4

• x = 7

• y = 3x-4

• None of the above