Video by Julie Harland http://yourmathgal.com This is part 1 of a series of videos about graphing lines. This video is an introduction to the Rectangular Coordinate System and covers the basic vocabulary, definitions, ordered pairs, and how to plot points on the x-y plane.<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos<br />Aligned to Common Core State Standard: 8.EE.6
Graphing Lines Part I
Subject
Math — Expressions and Equations
Grade Level
Grades 6-12
Standards Alignment
Common Core State Standards
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Graphing Lines Part I
Standards
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.
