Concept explainers
To examine: the slope of line changes if vertical and horizontal units change on a graph. Compare using the slope formula.
Explanation of Solution
If there are two points on the horizontal line
If there are two points on the horizontal line
The slope of line by counting the vertical and horizontal change on the graph is given by If there are two points on the horizontal line
which is the slope of the line.
Formula used: The slope between the points
Interpretation:
The slope of line found by countingvertical and horizontal units on a graph is same as finding the slope using the slope formula.
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