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How to Find the Equation of a Line
Formula
Given two points, find the slope m = (y2-y1)/(x2-x1), then the y-intercept b = y1 - m*x1.
The equation in slope-intercept form is y = mx + b.
Common use cases:
- Determining trend lines from data points
- Graphing linear functions
- Finding intersection points of lines
Frequently Asked Questions
Sarah Chen
Financial Analyst, CFA
Sarah is a Chartered Financial Analyst with over 8 years of experience in investment management and financial modeling. She specializes in retirement planning and compound interest calculations.
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