The equation of the line will be equal to y = -3x.
What is an equation?
The equation in mathematics is the relationship between the variables and the number and establishes the relationship between the two or more variables.
The equation for this type of line is y=mx+b. m is the slope and b is the y-intercept. In this case, the y-intercept is 0, and the slope is -3.
The equation of a line is:
y = -3x
Therefore the correct answer is option C which is y = -3x.
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