Search results
Learn how to identify and use direct and inverse proportionality in algebra and real-life situations. Find examples, formulas, exercises and explanations with diagrams and symbols.
Inverse proportion occurs when one value increases and the other decreases. For example, more workers on a job would reduce the time to complete the task. They are inversely...
Confusing the constant of proportionality For direct proportion, the constant of proportionality k is the ratio of the two variables such as k=y\div{x}. For inverse proportion, k is the product of the two variables, such as k=xy. Allowing the graph of an inversely proportional relationship to cross either axis
The inverse proportional formula depicts the relationship between two quantities which can be understood by the formula given below: Identify the two quantities which vary in the given problem. Identify that there is an inverse variation. x ∝ 1/y. Apply the Inverse proportion formula x = k/y.
With inverse proportion, an increase in one variable is associated with a decrease in the other. For instance, in travel, a constant speed dictates a direct proportion between distance and time travelled; in contrast, for a given distance (the constant), the time of travel is inversely proportional to speed: s × t = d.
What is inverse proportion? Inverse proportion is a type of proportionality relationship. If two quantities are inversely proportional then as one quantity increases, the other decreases. An example of inverse proportion would be the hours of work required to build a wall.
Explore how to work out whether quantities are inversely proportional, and solve inverse proportion problems using multiplicative reasoning with BBC Bitesize Maths. For students between the...
