This is a free preview. For full access
Ratio and Proportional Relationships: Constant of Proportionality (k)
Recognizing Proportional Equations
Description
Recognizing Proportional Equations
Introduction
Equations can be used to describe relationships between quantities. Recognizing whether an equation represents a proportional relationship helps find out how the quan...
Show More
Transcript
You're at a donut shop, and each donut costs $4. If you buy 3, you pay $12. If you buy 5, the price is $20. For 8, it’s $32.
The more donuts you buy, the more you pay—but always in the same ratio. This is called a proportional relationship because the cost is always 4 times the number of donuts.
Proportional relationships can be writ...
Show More