Equations of Linear Relations Lesson #7
Slope as a Rate of Change
Case 1. Distance and time graph
a rate of change is a change in distance divided by a change in time.
Case 2. Temperature and time graph
a rate of change is a change in temperature divided by a change in time.
Case 3. Amount of fuel and distance travelled graph.
a rate of change is a change in the amount of fuel divided by a change in distance travelled.
Q. Taehyung is taking part in a long distance car race. After 4hours he had travelled 300km, and after 6hours he had travelled 480km.
Calculate his average speed.
A. 90km/h
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