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Graphing Lines Part 5

Grade Level Grades 6-12
Standards Alignment
Common Core State Standards


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Video by Julie Harland This is part 5 of a series of videos about graphing lines. Covers how to solve an equation for y so it is easy to plug in convenient values for x, make a table of ordered pairs, plot the points and graph the line. Also, solving for y will be useful to get equations in slope intercept form and graph using that method, which is covered in later videos.<br />For more great math videos visit:<br />Aligned to Common Core State Standard: 8.EE.6


Use similar triangles to explain why the slope 𝑚 is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation 𝑦 = 𝑚𝑥 for a line through the origin and the equation 𝑦 = 𝑚𝑥 + 𝑏 for a line intercepting the vertical axis at 𝑏.


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