A ratio shows the relationship between two quantities.
Formula
A ratio expresses the relationshp between two quantities.
A linear relationship
Direct variation
= An equals sign
A straight line graph - is one possible answer.
A ratio expresses the relationshp between two quantities.
an equation that expresses a relationship between two or more quantities
An 'inequality'.
The two quantities are porportional.
It is a non-linear or non-existent relationship between the two quantities.
It is a ratio
Function
parabola
A proportional relationship between two quantities is one in which the two quantities called the unit rate, the rate of change, or the constant of proportionality.
Function
A linear relationship
It is a direct proportion.