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Constants of proportion

Exercise and reference answers

Questions
  1. Question
    In direct proportion, what stays constant?
    Choices
    1. the ratio
    2. the product
    3. the difference
    Correct choice
    the ratio
  2. Question
    In inverse proportion, what stays constant?
    Choices
    1. the ratio
    2. the product
    3. the sum
    Correct choice
    the product
  3. Question
    The constant is usually written
    Choices
    1. n
    2. p
    3. k
    Correct choice
    k

Explanation

The constant is what stays fixed while the pair varies. Source: syllabus Maths, Ch 11 Direct and Inverse Proportions.
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