Proportional Relationships Between Two Quantities


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question 1 of 3

If you know that y = 6x, then if x decreases by 5, y will decrease by _____.

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1. If a is 5 when b is 10 and a is 10 when b is 15, then the two values are _____ and the constant of proportionality is _____.

2. If y = kx and y is 25 when x = 10, then k = _____.

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About This Quiz & Worksheet

To pass this quiz and worksheet, you have to understand proportional relationships and constant rate. You must also know the steps to finding the other value.

Quiz & Worksheet Goals

Questions focus on:

  • Solving for the constant of proportionality
  • Calculating stopping distance when given a speed
  • Solving for the proportional relationship between two quantities

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson on proportional relationships
  • Knowledge application - use your knowledge to solve for a given variable in a proportional relationship word problem
  • Problem solving - use acquired knowledge to solve proportional relationship practice problems

Additional Learning

Proportional Relationships Between Two Quantities is a lesson that can help you increase your mathematical skills. The objectives covered include:

  • Define proportional relationship
  • Review proportionality examples
  • Understand how to find the value of the other quantity