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The correct answer to the question "What does \( k \) represent in the equation \( y = kx \)?" is:

**1) Constant of proportionality**

In the equation \( y = kx \), \( k \) is the constant of proportionality, which determines the rate at which \( y \) changes in relation to \( x \). It means that \( y \) is directly proportional to \( x \), and \( k \) scales \( x \) to give \( y \).

Would you like more details on proportional relationships or how constants work in equations?

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**Related Questions:**

1. What does it mean for two variables to be directly proportional?
2. How can you find the value of \( k \) in the equation \( y = kx \)?
3. What are examples of real-world situations where direct proportionality is used?
4. How does a constant of proportionality differ from a variable?
5. In what type of equation does \( k \) represent a slope instead?

**Tip:** In direct proportionality, when one variable changes, the other changes at a consistent rate defined by \( k \).

What does k represent in the equation y = kx?

Explore the concept of the constant of proportionality (k) in the equation y = kx. Learn how k represents the rate of change between y and x in direct proportionality. Suitable for students in Grades 7-9.

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