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The easy answer is "it is convention." but no one knows for sure actually.
The reason we keep using it is that everyone expects it and they find it easy to follow AND we don't really use "m" for many other things so that further limits the confusion. If you would find it easier to use a different letter or symbol for slope when you do your own calculations there is no reason why you couldn't. But, your homework will be easier to grade if you stick to the convention. :)
What else can I help you with?
How do you get a slope and the y-intercept in an equation?
you use mx+b m is slope. m always has to be next to x b is y intercept
What is the point slope form of an equation?
Point-slope form is just another way to express a linear equation. It uses two (any two points that fall on the line) and the slope of the line (Therefore the name point-slope form).y2 - y1 = m(x2 - x1)...with m as the slope.
Who abbreviated m for slope?
M refers to the modulus of the slope.
What is the slope of a line that is perpendicular to it?
The slope of a line perpendicular to one with a slope of m is -1/m.
How do you find slope altitude?
If the slope of a line is m then the slope of an altitude to that line is -1/m.
What is symbol of slope?
m = slope
What is the slope of a line perpendicular to a line whose slope is 3?
Slope of a line = m slope of perpendicular line = -1/m
Given that the slope of a line is 1 3 what is the slope of a line that is perpendicular to it?
If we call the slope m we can say that the slope of the perpendicular line is -1/m In this case as the slope, m, is 13 the slope of the perpendicular is -1/13 or -0.07692307692
Why is the symbol for slope m?
slope = m = (∆y) / (∆x) = rise / run
What is m in slope equation of a line?
It is the slope.
Why was m chosen for slope?
It is not documented why the letter m was chosen for slope. However, mathematician John Conway suggested that m could mean 'modulus of slope'.
What is the meaning of m in slope?
In slope intercept form, m IS the slope. y = mx + b slope is change in height divided by change in x direction.
