Concept explainers
The slope of the road.
Answer to Problem 42PPS
Explanation of Solution
Given:
When driving up a certain hill, you rise 15 feet for every 1000 feet you drive forward.
Concept Used:
Equation of the line passing through the points
Calculation:
The slope of any line is given by rise over run. That is, the ratio of the number of units it rise or fall over the number of units it move forward or backward from a fixed point.
Given that you rise 15 feet for every 1000 feet you drive forward, that is rise is 15 feet while the run is 1000 feet.
So, the slope of the object is
Thus, the slope of the road is
Chapter 3 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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