**Q:** The equation of a line is y=2x -7. What is the y-intercept?

**A:** It is easy enough to simply compare the equation to the standard form, **y=mx+b**, and see that b = -7.

However, the general way **to find the y-intercept is to set x=0, and solve for y**.

y = 2(0) – 7

y = 0 – 7

y = -7

Either way you do it, the y-intercept is -7. This is the location where the line crosses the y-axis.

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