Answer :
Answer: "k" is the constant of proportionality (as in the linear equation y = kx that also is a direct variation). As far as I know, there isn't really a major connection between "k" and the unit rate.
Answer: "k" is the constant of proportionality (as in the linear equation y = kx that also is a direct variation). As far as I know, there isn't really a major connection between "k" and the unit rate.