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1. Write the equation in y=mx+b.

2. b is the y-intercept.

Ex.

1. y=9x+0

2. b=0. The y-intercept of y=9x is 0.

Hint:

Since this is a direct variation problem (y=kx), the x-intercept is also 0.

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Q: What is the y intercept of the equation y equals 9x?
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