Equations of Vertical & Horizontal Lines

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

• Horizontal line
• Vertical line
• Slanted line
• No way to tell

What would the graph of y = 8 look like?

• Horizontal line
• Vertical line
• Slanted line
• No way to tell

The line y = 9 has what kind of slope?

• Positive

• Negative

• Zero

• Undefined

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

• Positive

• Negative

• Zero

• Undefined

What is another name for the line with the equation x=0?

• The x-axis
• The y-axis
• The origin
• None of the above

What is another name for the graph of the line y = 0?

• The x-axis
• The y-axis
• The origin
• None of the above

Describe the direction of a vertical line.

• up and down
• side to side/left to right

Describe the direction of a horizontal line.

• up and down
• side to side/left to right

Is the graph of this equation a horizontal line, vertical line, or a slanted line?
y = 10

• horizontal
• vertical
• slanted

Is the graph of this equation a horizontal line, vertical line, or a slanted line?
x = 9

• horizontal
• vertical
• slanted