Graphing Horizontal and Vertical Lines Quiz

What is the slope of a horizontal line?

• Negative

• Positive

• Zero

• Undefined

In the equation y = 2, what can the x variable be?

• Only positive numbers

• Only negative numbers

• Any real number

• Only zero

What is the form of the equation for a vertical line?

• x = my + c

• y = mx + b

• y = b

• x = a

What is the slope of a vertical line?

• Positive

• Zero

• Undefined

• Negative

Which of the following is true about the slopes of horizontal and vertical lines?

• Both are zero

• Horizontal is zero, vertical is undefined

• Both are undefined

• Horizontal is undefined, vertical is zero