Proportional Relationships
Grade 6•45 minutes•7.RP.A.2.c Represent proportional relationships by equations.
Learning Objective
I can represent a proportional relationship with an equation in the form y = kx.
Practice Questions
This lesson includes 8 practice questions to reinforce learning.
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1. Define "constant of proportionality" in your own words and explain how it relates to the equation y = kx.
2. 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.
3. The distance (y) a car travels is proportional to the time (x) it drives. If the car travels 150 miles in 3 hours, find the constant of proportionality (k) and write the equation that represents this relationship.
...and 5 more questions
Educational Video
Equations of proportional relationships | 7th grade | Khan Academy
Khan Academy