Point-slope form might be less familiar and more formal-looking. It is a general form of a linear equation with a known slope and one of the points. Watch this lecture series and complete the interactive exercises.
Source: Khan Academy, https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations#x2f8bb11595b61c86:point-slope-form
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