TriceraFish
contestada

A line passes through the points (p, a) and (p, –a) where p and a are real numbers and p ≠ 0. Describe each of the following. Explain your reasoning.
1. slope of the line
2. equation of the line
3. y-intercept
4. slope of a line perpendicular to the given line

Respuesta :

altavistard
Since the x-coordinate does not change, we know immediately that this straight line is a vertical one.  It does not have a slope (div. by zero is undefined).

The equation of this vertical line is x=0.  

The line has no y-intercept.

A line perpend. to the given line has a slope of 0.

Otras preguntas