If two variables are in direct relationship then the ratio of the two variables is known as the constant of proportion between them. In algebraic form, if X and Y are the two variables, then direct proportionality implies that Y = cX and c is the constant of proportionality.
If you take any pair of variables in the table, their ratio is a constant.
For a direct variation equation the constant MUST be 0. Then the ratio of a pair of values of the two variables is the slope.
It is simply a ratio between two variables. There is no information on what measures the letters represent, nor whether the ratio is a constant or variable (eg between Celsius and Fahrenheit).
The constant of proportionality in the equation y = 3.8x is 3.8. This means that for every unit increase in x, y will increase by 3.8 times that amount. It represents the ratio between the two variables and remains constant throughout the relationship.
It is the constant of proportionality.
It is the constant of proportionality or the conversion factor.
Two variables related in such a way that their values always have a constant ratio directly vary.
Direct Proportion
The constant of proportionality between two variables is the ratio of one to the other.
Two variables whose ratio is constant have a linear relationship. The first variable is the second multiplied by the constant.
It is a direct proportion.
If two variables are in direct relationship then the ratio of the two variables is known as the constant of proportion between them. In algebraic form, if X and Y are the two variables, then direct proportionality implies that Y = cX and c is the constant of proportionality.
dependent
If you take any pair of variables in the table, their ratio is a constant.
If two variables are directly proportional to one another then the constant of proportionality is the ratio of their values. If they are in inverse proportion then the constant of proportionality is the product of their values.
For a direct variation equation the constant MUST be 0. Then the ratio of a pair of values of the two variables is the slope.