The equation given is \( y = -3x \).

The **\[y\]-intercept** of a line is the point where the line crosses the y-axis. At this point, the value of \( x \) is 0.

To find the \[y\]-intercept, substitute \( x = 0 \) into the equation:

\[
y = -3(0) = 0
\]

So, the \[y\]-intercept is \( y = 0 \). 

Thus, the \[y\]-intercept is \( (0, 0) \).

Would you like more details or have any other questions?

Here are 5 related questions you might find useful:
1. What is the slope of the line given by the equation \( y = -3x \)?
2. How do you find the \[x\]-intercept of a linear equation?
3. What is the \[y\]-intercept of the equation \( y = 2x + 4 \)?
4. How do you graph the equation \( y = -3x \) on a coordinate plane?
5. How does the slope affect the steepness of a line?

**Tip:** The \[y\]-intercept is always found by setting \( x \) to zero in the equation of the line.

Learn how to find the y-intercept of the linear equation y = -3x. Understand the concept of y-intercept in linear equations and how to calculate it step-by-step. Suitable for students in Grades 7-9.

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