Saxon Algebra 1 Lesson 75A Writing the Equation of a Line Examples 75.1 - 75.3

How do you write an equation of a line by looking at the graph of that line? You need to know slope-intercept form, or y = mx + b. 00:01 Introduction 00:54 Review of horizontal and vertical lines and their equations 03:50 Slope-intercept form: the y-intercept 05:18 Example 75.1 Finding the y-intercept from an equation 06:30 Example 75.2 Finding the y-intercept from a graph 07:03 Slope-intercept form: the slope 12:40 Example 75.3 Finding the equation of a line from its graph