Warm UP • Find the equation of the line that passes through (4, 5) and (2, 5) • Find the equation of the line that passes through (3, -4) and (-1, 8)
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Warm UP
• Find the equation of the line that passes through (4, 5) and (2, 5)
• Find the equation of the line that passes through (3, -4) and (-1, 8)
Line of Best Fit • A line that goes through the middle of the data
• Should have the same number of dots above and below it ……more or less…
Line of Best Fit Application
• http://illuminations.nctm.org/Activity.aspx?id=4186
Which of these is the most appropriate line of best fit? A) 𝒚=𝒙+𝟒 B) 𝒚= 𝟏/𝟓 𝒙+𝟓 C) 𝒚= 𝟏/𝟑 𝒙+𝟓 D) 𝒚= 𝟏/𝟒 𝒙+𝟔
Homework • Worksheet
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