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# 6.4 – Interpret Initial Value and Rate of Change in Equations

## Unit of Study:

Unit 6 - Multiple Representations of Linear Relationships

## MFM1P Specific Expectations

The math help provided for MFM1P Grade 9 Applied will address the following specific expectations:
LR3.05 - describe the meaning of the rate of change and the initial value for a linear relation arising from a realistic situation (e.g., the cost to rent the community gym is \$40 per evening, plus \$2 per person for equipment rental; the vertical intercept, 40, represents the \$40 cost of renting the gym; the value of the rate of change, 2, represents the \$2 cost per person), and describe a situation that could be modelled by a given linear equation (e.g., the linear equation M = 50 + 6d could model the mass of a shipping package, including 50 g for the packaging material, plus 6 g per flyer added to the package).

## MFM1P Overall Expectations

The math help provided for MFM1P Grade 9 Applied will address the following overall expectations:
Linear Relations - LR3 - Demonstrate an understanding of constant rate of change and its connection to linear relations.

Check out this Math Task Template to get some practice in 6.4 – Interpret Initial Value and Rate of Change in Equations of the grade 9 applied math course.

# MFM1P Math Videos Related To This Topic

Check out these Math Videos to learn more about 6.4 – Interpret Initial Value and Rate of Change in Equations of the grade 9 applied math course.

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I’m Kyle Pearce and I am a former high school math teacher. I’m now the K-12 Mathematics Consultant with the Greater Essex County District School Board, where I uncover creative ways to spark curiosity and fuel sense making in mathematics. Read more.

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