The only difference is that when a slope is expressed as a whole number, ∆x (changes in x-coordinates) is always one unit.
For example,
m = 3 = 3/1 = ∆y/∆x
m = -1/5 = ∆y/∆x
m = 7/6 = ∆y/∆x
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The slope can be a fraction.
Slope is blah. Rate of change is blah.
A line with slope of zero is horizontal. A line with no slope is vertical because slope is undefined on a vertical line.
Depends. Slope of tangent = instantaneous rate of change. Slope of secant = average rate of change.
Points: (5, -3) and (8, -5)Slope: -2/3