Algebra-1

To determine which equation represents a line with an undefined slope, we need to consider the different forms of linear equations and what they imply about the slope.

1. Slope-intercept form: The equation of a line in slope-intercept form is , where  is the slope and  is the -intercept.

For the equation , the slope . This is a line with a defined slope.

For the equation , the slope . This is also a line with a defined slope.

For the equation , it can be written as , where the slope

Click "Show Answer" to reveal the answer and analysis