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Course: 8th grade (Illustrative Mathematics)?>?Unit 3
Lesson 1: Lesson 3: Representing proportional relationshipsGraphing proportional relationships
Problem
Graph the line that represents a proportional relationship between and with the property that an increase of units in corresponds to an increase of units in .
What is the unit rate of change of with respect to ? (That is, a change of unit in will correspond to a change of how many units in ?)
The unit rate is
.Graph the relationship.