Puzzling
Favorite Answer
That's a vertical line which has an undefined slope:
Summary:
x = k is a vertical line with an undefined slope
y = k is a horizontal line with a slope of 0
y = mx + b is a diagonal line with a slope of m
Answer:
A vertical line (like x = 6) has an undefined slope
Engr. Ronald
the slope of this equation is undefined since it is a vertical line..