Answer:
If a slope is undefined, the line is vertical
If a slope is negative, the line goes downhill
If a slope is positive, the line goes uphill
The slope equals the rise divided by the run: Slope =riserun Slope = rise run . You can determine the slope of a line from its graph by looking at the rise and run. One characteristic of a line is that its slope is constant all the way along it.
Explanation:
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