4. Linear graphs
Australia
Year 9
4.09 Gradients in context
Interactive practice questions
What can we say about the rate of change of the given line?
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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 carpenter charges a callout fee of $\$80$$80 plus $\$40$$40 per hour.
Easy
4min
Fred is taking his new Subaru out for a drive. He had only driven $50$50 kilometres in it before and is now driving it down the highway at $90$90 km/h.
Easy
4min
Bart is running a $70$70 km ultramarathon at an average speed of $9$9 km/h.
Easy
4min
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