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New Zealand
Level 6 - NCEA Level 1

Interpret Rate of Change

Interactive practice questions

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

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A horizontal line on a cartesian plane.

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
< 1min

A dam used to supply water to the neighbouring town had the following data recorded for its volume over a number of months.

Easy
1min

Consider the proportional relationship shown in the graph, showing the number of fish caught over time.

Easy
2min

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.

Medium
2min
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Outcomes

NA6-7

Relate graphs, tables, and equations to linear, quadratic, and simple exponential relationships found in number and spatial patterns

NA6-8

Relate rate of change to the gradient of a graph

91028

Investigate relationships between tables, equations and graphs

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