A line which is neither parallel to x-axis nor parallel to y-axis, is called

1. a transverse line

2. an oblique line

3. a horizontal line

4. a vertical line

Which of the following lines does not have y-intercept?

1. A horizontal line

2. A vertical line

3. y-axis

4. A transverse line

The equation of x-axis is:

1. x = 0

2. y = 0

3. x = a

4. y = a