Proportional Relationships Vocabulary

Front

Constant of Proportionality

Back

the ratio of the y-value to the x-value

Front

Rate

Back

a comparison between two quantities with different units of measure

Front

Ratio

Back

a comparison between two different quantities

Front

Unit Rate

Back

a comparison of two measurements with a denominator of 1

Front

Non-proportional

Back

a relationship where the ratio of y/x is not constant

Front

Origin

Back

the point (0,0); where the x-axis and y-axis intersect

Front

Proportional

Back

a relationship where the ratio of y/x is constant

Front

Rate of Change

Back

the rate at which the dependent variable changes in relation to the independent variable.