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Analyzing Data with Line Graphs, Slope & Equation of a Line

Learn how to analyze data using line graphs, calculate slope, and find the equation of a line. Practice exercises provided for mastering concepts. Explore the slope-intercept form of a line and how to determine the line of best fit including given points.

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Analyzing Data with Line Graphs, Slope & Equation of a Line

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  1. Analyzing Data using Line Graphs Slope & Equation of a Line

  2. Slope  Rise over Run m = y2 – y1 x2 – x1 (3, 5) & (1, 4)

  3. You Try!!! m = y2 – y1 x2 – x1 (2, 3) & (1, 5) (-2, -5) & (1, 4)

  4. Equation of a Line y = mx + b Slope y - intercept

  5. How to find line of best fit 1.) Find slope using m = y2 – y1 x2 – x1 2.) Choose one point and plug in for “x” and “y” in the equation y = mx + b 3.) Solve for b 4.) Plug m and b into y = mx + b

  6. Find line of best fit that include the points (3, 2) and (6, 1)

  7. You try!!! (3, -2) & (5, 3)

  8. You try!! (4, -2) & (7, 5)

  9. Works Cited • www.fccps.k12.va.us/GM/GMHS/faculty/harris/psnotes/physics/02graphing.ppt -

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