Question

what is the equation of a line parallel to the y-axis and 3 units to the left of it​

Answer 1

Find the equation of a straight line parallel to y-axis at a distance of 3 units on the left hand side of y-axis. Solution: We know that the equation of a straight line is parallel and to the left of x-axis at a distance a, then its equation is x = -a. 2.