What can we say about the rate of change of the given line?
The rate of change is undefined
The rate of change is zero.
The rate of change is always negative.
The rate of change is always positive.
A dam used to supply water to the neighbouring town had the following data recorded for its volume over a number of months.
Consider the proportional relationship shown in the graph, showing the number of fish caught over time.
Flooding from a big storm has covered a local road in water. James records the level of water on the road over time and constructs the following graph.
Determine, through investigation, connections among the representations of a constant rate of change of a linear relation