Slope of Vertical and Horizontal Lines Quiz

What is the slope of a vertical line?

• 0

• Undefined

• 1

• Infinity

What is the slope of a horizontal line?

• 0

• Undefined

• 1

• Infinity

Which of the following equations represents a vertical line?

• $y = 3$

• $x = -2$

• $y = 2x + 1$

• $y = -x + 4$

Which of the following equations represents a horizontal line?

• $x = 5$

• $y = -3$

• $y = 2x - 1$

• $x = y$

If a line has an undefined slope, which of the following is true?

• The line is horizontal.

• The line is vertical.

• The line passes through the origin.

• The line has a positive slope.

If a line has a slope of 0, which of the following is true?

• The line is vertical.

• The line is horizontal.

• The line has a negative slope.

• The line is diagonal.

Which of the following points would lie on the line $x = 4$?

• (4, 0)

• (0, 4)

• (4, 4)

• (0, 0)

Which of the following points would lie on the line $y = -2$?

• (0, -2)

• (-2, 0)

• (2, -2)

• (-2, -2)

What happens to the slope of a line as it becomes more vertical?

• The slope approaches 0.

• The slope becomes undefined.

• The slope becomes negative.

• The slope becomes positive.

What happens to the slope of a line as it becomes more horizontal?

• The slope approaches infinity.

• The slope becomes undefined.

• The slope approaches 0.

• The slope becomes negative.