Rachel hikes at a steady rate from a ranger station to a campground that is 20 mi away. After 2 h, she is 13 mi from the campground. After 4 h, she is 6 mi from the campground. A graph shows her distance y from the campground, in miles, after x hours. What is the slope of the graph, and what does it represent?

Question

Mathematics

Rene Owens

1 September, 01:59

Rachel hikes at a steady rate from a ranger station to a campground that is 20 mi away. After 2 h, she is 13 mi from the campground. After 4 h, she is 6 mi from the campground. A graph shows her distance y from the campground, in miles, after x hours. What is the slope of the graph, and what does it represent?

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Cozmo · Answer 1

From 2 hours to 4 hours she traveled 7 miles.

7 miles / 2 hours = 3.5 miles per hour.

The slope is 3.5, which is 3.5 miles per hour, which is how fast she is walking.