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How do you find the y-intercept of a line given two ordered pairs?

2 Answers

5 votes

Answer:

Using the "slope-intercept" form of the line's equation (y = mx + b), you solve for b (which is the y-intercept you're looking for). Substitute the known slope for m, and substitute the known point's coordinates for x and y, respectively, in the slope-intercept equation.

Explanation:

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User Brad Urani
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4.7k points
4 votes
look for the number on the y intercept
User Mike Kushner
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4.0k points