Mathematics
Grade5
Easy

Question

Is the given table a proportional relationship? If so, what is the constant?

  1. Yes = 1 third
  2. Yes = 3
  3. Yes = 5
  4. No

hintHint:

Constant of proportionality is the constant value of the ratio between two proportional quantities.

The correct answer is: Yes = 3


    Here, we have to find the constant.
    To check the constant of proportionality,we use :k = y/x , where k is the constant ratio of y values to corresponding to x values.
    k equals 15 over 5 equals 18 over 6 equals 21 over 7 equals 24 over 8
    k = 3
    Yes, they have proportional relationship.
    Constant =3
    Hence, the correct option is (d).

    We observe that all the ratio  in the above tables are equal. So, these values are in a proportional relationship.

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