Ontario 09 Applied (MFM1P)
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Interpret rate of change

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

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

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Outcomes

9P.LR3.01

Determine, through investigation, that the rate of change of a linear relation can be found by choosing any two points on the line that represents the relation, finding the vertical change between the points (i.e., the rise) and the horizontal change between the points (i.e., the run), and writing the ratio

9P.LR3.02

Determine, through investigation, connections among the representations of a constant rate of change of a linear relation

9P.LR3.04

Express a linear relation as an equation in two variables, using the rate of change and the initial value

9P.LR3.05

Describe the meaning of the rate of change and the initial value for a linear relation arising from a realistic situation and describe a situation that could be modelled by a given linear equation

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