Proportional is when it is proportional.
The relationship Y = kx is proportional, where Y is directly proportional to x with a constant of proportionality k. This means that as x increases, Y also increases in a linear fashion. In a nonproportional relationship, the ratio of Y to x would not be constant, and the relationship could be more complex, such as quadratic or exponential.
The answer is proportional.
Graphs, equations, and tables all provide ways to represent linear relationships, and they can be used to determine if a relationship is proportional or nonproportional. In a proportional relationship, the graph will show a straight line passing through the origin, the equation will have the form (y = kx) (where (k) is a constant), and the table will exhibit a constant ratio between (y) and (x). Conversely, a nonproportional relationship will show a line that does not pass through the origin, have an equation in a different form (like (y = mx + b) with (b \neq 0)), and display varying ratios in the table.
Any relationship in which at least one pair of measurements has a different ratio to that for other pairs. Equivalently, it is a relationship in which all the points cannot be plotted as a straight line through the origin.
Graphs, equations, and tables are all effective tools for distinguishing between proportional and nonproportional situations because they visually and numerically represent relationships between variables. In proportional situations, graphs yield straight lines through the origin, equations take the form (y = kx) (where (k) is a constant), and tables show consistent ratios between paired values. In contrast, nonproportional situations exhibit curves or lines that do not pass through the origin, equations may contain additional constants or terms, and tables reveal varying ratios. Thus, each method provides unique insights into the nature of the relationship.
If the ratio between each pair of values is the same then the relationship is proportional. If even one of the ratios is different then it is not proportional.
It is a relationship which is non-linear. The same amount of change in the independent variable brings about different amounts of changes in the dependent variable and these differences depend on the initial values of the independent variable.
Directly proportional relationship is F=ma, F is directly proportional to a. Inversely proportional relationship is v=r/t, v is inversely proportional to t.
To determine if a relationship is proportional by examining an equation, check if it can be expressed in the form (y = kx), where (k) is a constant. This indicates that (y) varies directly with (x) and passes through the origin (0,0). If the equation includes an additional constant term or a different form, it signifies that the relationship is not proportional.
To show that a situation represents a proportional relationship, you can check if the ratio between the two quantities remains constant. This can be done by calculating the ratios of different pairs of values; if all ratios are equal, the relationship is proportional. Additionally, you can create a graph of the data; if it forms a straight line passing through the origin, it confirms a proportional relationship. Lastly, you can express the relationship with a linear equation of the form (y = kx), where (k) is a constant.
You cannot represent a proportional relationship using an equation.
It is true in the case of inversely proportional relationship.