Answer:
- -0.006 °C/m
- temperature decreases 6 °C per 1000 meters
Explanation:
You want the slope of the line between points (200, 25) and (2200, 13).
(a) Slope
The slope formula can be used:
m = (y2 -y1)/(x2 -x1)
m = (13 -25)/(2200 -200)
m = -12/2000 = -0.006
The slope of the graph is -0.006.
(b) Interpretation
The rate of change of temperature with altitude is -0.006 degrees C per meter, or -6 °C per 1000 meters.
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