Undefined slopes belong to lines that are vertical. These lines do not cross the y-axis, but do cross the x-axis. Therefore, the equation for these lines are always:
x = # (where # is the value at which the line is crossing the x-axis).
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Vertical lines always have an undefined slope. Slope for y = f(x) is given by :slope = dy/dxdx is zero at any point along a vertical line, making the slope undefined along a vertical line.
The slope of a vertical line is undefined and so there cannot be a slope-intercept form of the equation.
if a line has a slope of -2 and a point on the line has coordinates of (3, -5) write an equation for the line in point slope form
A slope is 0 if it is a straight horizontal line. A slope is undefined if it is a straight vertical line.
Write the equation of a line in slope-intercept form that has a slope of -2 and passes through the point (2, -8).