Horizontal Lines in Slope-Intercept Form

The video tutorial addresses a question from Jamie about finding the slope-intercept and point-slope forms of a horizontal line passing through the point (3, 5). The instructor explains that the slope of a horizontal line is zero and demonstrates how to derive the slope-intercept form as y = 5. The tutorial then covers the point-slope form, showing how to use the given point and the zero slope to write the equation. The instructor provides tips on simplifying the equations and highlights common mistakes to avoid.

Explain the point-slope formula and how it applies to a horizontal line.

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What happens to the equation when you multiply the slope by zero?

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