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# Test 6 Review

### Slope, Constant Rate of Change

TermDefinition
Slope rise (change in y) over run (change in x)
Positive Slope line goes up from left to right
Negative Slope line goes down from left to right
Zero Slope horizontal line
Undefined Slope vertical line
Constant Rate of Change also known as slope; change in y over change in x
Proportional Relationship exists when there is a constant ratio between two quantities
Constant of Proportionality the constant ratio to which a proportional relationship simplifies
Direct Variation exists when there is a constant ratio between two quantities
Constant of Variation the constant ratio to which a direct variation simplifies
Unit Rate A rate in which the second quantity is 1. In a proportional relationship, the unit rate is the same as the constant of proportionality
Created by: Math7