Proportional Relationships
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Objective
I can represent a proportional relationship with an equation in the form y = kx.
Part 1 of 3
Warm-up video
Khan Academy · 5:00Vetted channel
We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
8 questions
Define "constant of proportionality" in your own words and explain how it relates to the equation y = kx.
Identify the constant of proportionality in the equation y = 7x. Explain what this constant means in the context of the relationship between x and y.
Part 3 of 3
Exit ticket
Quick comprehension check
“The number of songs (y) you can download is proportional to the amount of storage space (x) on your device. If you can download 5 songs per 1 GB of storage, write an equation that represents this relationship. The cost (y) of renting a bike is proportional to the number of hours (x) you rent it. If it costs $8 for each hour, write an equation that represents this relationship. ”
Sample answer included in the free materials
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