A line with the equation:
Examples of such a line are x = 3, x = 5, x = 10, x = -4.
The slope of a vertical line is infinite.
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The slope of each point on the line on the graph is the rate of change at that point. If the graph is a straight line, then its slope is constant. If the graph is a curved line, then its slope changes.
The slope of a line is the change in y coordinates divided by the change in x coordinates. Zero is the slope of a flat line. The steeper the line, the greater the value of the slope. For instance a slope of 587 is steeper than a slope of 48. A vertical line is not given a slope measurement - it is said to be indeterminate, so there is no representation for the "steepest" line. An extremely steep line will have a slope value approaching plus or minus infinity.
The line y = 6 is horizontal and has a slope of zero, as does any line that is parallel to it.
The slope is -4