Graphs of Vertical and Horizontal Lines

Select ALL of the statements/graphs that match the equation x = -1.

• 
• 
• The graph is vertical

• The graph has an undefined slope.

• The graph has a slope of zero.

Identify the following as vertical, horizontal or neither

A line that has an undefined slope

• Vertical

• Horizontal

• Neither

Identify the following as vertical, horizontal or neither

A line that has a slope of zero

• Vertical

• Horizontal

• Neither

When the line looks like this it means the graph is...

• increasing

• decreasing

• stays the same

The X axis is _______?

• vertical

• diagonal

• criss-cross

• horizontal

Which of these lines is
y = 5?

• The orange one

• The red one

• The blue one

• The green one

Vertical or horizontal?
x = 4

• vertical 

• horizontal

• neither

What is the equation of the line?

• y = 0

• y = 1

• y = 2

• x = 1

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

x = 4

• vertical

• horizontal

• neither

What is the equation of this line?

• x=5

• y=5

• y=5x

• x=-5