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Yuliya22 [10]
3 years ago
8

Which equation does not represent a proportional relationship?

Mathematics
1 answer:
Elenna [48]3 years ago
4 0

Answer:

The equation y=5x-7 doesn't represent a proportional relationship.

Step-by-step explanation:

  • Proportional equations are those linear equations(y=kx+b) where the value of b≠0, i.e. the line passes through origin.
  • y=5x-7 shows a equation that potrays linear relationship between the variables x and y. This type of equation is an example of non-proportional relationship.
  • The remaining three equations are in the form of y=kx where k is the constant of proportionality. This type of equations represent proportional relationship.

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 The explanation is shown below:
To solve this problem you must apply the proccedure shown below:
 1. You have the following system equations given in the problem above:
 <span>y=x-7
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2. Therefore, when you substitute for y in the bottom equation, you obtain:
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