What is the "whole thing?" Also, if a line has a negative slope, it doesn't mean that all points on the line have negative coordinates. It just means that for every increase in x, there is a decrease in y.
On a straight line, the gradient is the same all the way along. Which, if this is how you meant it, the "whole thing" is negative. However not all coordinates will be negative.
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The slope will be negative.The slope will be negative.The slope will be negative.The slope will be negative.
The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.
You know when the slope of a line is negative when m in the slope-intercept form equation y=mx+b is negative. For example, y=-3x+2 has a negative slope since m (which is -3 in this case) is negative. This is the same when finding a positive slope, because if m is positive, then the slope is positive.
positive slope negative slope zero slope undefined
a negative slope is any number with a negative sign like -1, -20, -30, -154879652