Algebra-1

Question Analysis
This question tests the student's ability to apply the concept of the constant rate of change to a real-world scenario. The problem involves calculating the speed of a car based on the distance covered over time.

Key Concept Explanation
The constant rate of change in this context is the speed of the car. Speed is the rate at which distance changes with respect to time. It is calculated as the ratio of the change in distance to the change in time.

Step-by-step Solution
1. Identify the given data: Distance covered after 2 hours is 120 kilometers, and after 3 hours is 180 kilometers.
2. Calculate the change in distance: kilometers.
3. Calculate the change in time: hour.
4. Use the formula for the constant rate of change:

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