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Why is the symbol for slope m?
slope = m = (∆y) / (∆x) = rise / run
An example of a math solution for slope?
Slope is the steepness (or not) of a line. The way you find slope is with the equation (Y2-Y1)/(X2-X1) = M (M is the symbol used for slope). Now if you had the two points (2,3) and (4,1) the way you would find the slope between them is to take the two Y's 3 and 1 and put them on top of the equation. Then you would take the two X's 2 and 4 and put them on the bottom and the you would have (1-3)/(4-2). The order of the Y's and X's doesn't matter, so long as you don't mix them up. Then when you simplify the equation, your answer is -1, so the slope between those two points is -1. The only two situation where slope can be rather strange is when the line is either completely vertical or horizontal. In the case of a vertical, there is no slope, so you would put no solution. As for the horizontal, the slope is zero.
What happens if a slope is undefined?
then the slope is x=y. there is no slope.
Can you give me an example of slope inclination?
Examples of slope: http://www.answers.com/topic/slope http://en.wikipedia.org/wiki/Slope
Does a horizontal line has a slope of zero?
Yes, it is true; slope zero is no slope.
