The other variable is doubled
Direct proportion, linear, first-order... all of these are valid answers, depending on the particular field you're talking about.
Direct proportionality. Their graph would be a straight line through the origin, with the slope equal to the ratio.
direct proportion: y=kx inverse proportion: y=k/x
Two quantities x and y are said to be in direct proportion if whenever the value of x increase (or decrease), then the value of y increases (or decrease) in such a way that the ratio x/y remains constant.
If the points lie on a straight line through the origin, the two variables are in direct proportion.
it is a direct relationship -eli martin
In a nonlinear graph showing the relationship between two variables where one is related o the second power of he other. This will no be in a straight line, but will curve upward and it is known as direct square proportion.
direct proportion
Direct Proportion
When one is doubled, the other is doubled.
it is a direct relationship -eli martin
Direct proportion means as the independent variable increases, the dependent variable increases, and vice versa. Inverse propostion means just the opposite. As the independent variable increses, the dependent variable decreases, and vice versa.
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.
Are in direct proportion
It is a direct proportion.
Two variables, X and Y, are said to be in direct proportion if X/Y is a constant. Equivalently, Y = cX for some constant c.
straight line