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.
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each contour line represents an equal value, so the closer the lines the steeper the slope
A vertical line.
The slope of the trend line is the rate of change of the data. It is the ratio of the change of the dependent variable to the rate of change of the independent variable. Slope represents the value of the correlation.
y = -3x + 7 is an equation which gives us a line parallel to the line y = -3x + 1, or the line -3x - 1. The equation given represents the slope-intercept form of the equation for a line. Slope-intercept takes the form y = mx + b. In this form the the value of m represents the slope of the line, while b represents the Y intercept. All lines with the same slope are parallel (unless they're exactly the same.) So to find a parallel line, we simply adjust the Y intercept to any value other than the one given.
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