Horizontal, vertical, parallel and perpendicular lines

Which statements are true?

• Vertical lines go up and down.

• Vertical Lines go left and right.

• Horizontal lines go up and down.

• Horizontal lines go left and right.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Which graph is x = 7?

• 
• 

Answer explanation

x = 0

is the equation of the y-axis

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

• Horizontal line
• Vertical line

What is the equation of the red graph pictured?

• y = -4

• x = -4

• y = 4

• x = 4

What would the graph of y = 8 look like?

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

Which of the following would represent a vertical line?

• y = -5
• x = 3
• y = 4x +3
• None of the above

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

• horizontal
• vertical
• slanted

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

• horizontal
• vertical
• slanted