Linear Relations

What can we say about the rate of change of the given line?

The rate of change is undefined

A

The rate of change is zero.

B

The rate of change is always negative.

C

The rate of change is always positive.

D

Easy

Less than a minute

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.

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