A B 1 (5,2), (8, 8) (3,4), (2, 1) 2 (-2,1), (1, -11) (-2,3), (-3, 2) 3

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A B 1 (5,2), (8, 8) (3,4), (2, 1) 2 (-2,1), (1, -11) (-2,3), (-3, 2) 3 Warm up #23 Given these two points write an equation in slope intercept form A B 1 (5,2), (8, 8) (3,4), (2, 1) 2 (-2,1), (1, -11) (-2,3), (-3, 2) 3 (-4,1), (-1, 4) (-3,5), (-1, -3)

A B 1 (5,2), (8, 8) (3,4), (2, 1) 2 (-2,1), (1,-11) (-2,3), (-3, 2) 3 WU 10.1 answers A B 1 (5,2), (8, 8) (3,4), (2, 1) 2 (-2,1), (1,-11) (-2,3), (-3, 2) 3 (-4,1), (-1, 4) (-3,5), (-1, -3) y = 3x – 5 y = 2x – 8 y = x + 5 y = -4x – 7 y = x + 5 y = -4x – 7

7.7 Fitting Equations to Data Objective: Find an equation of a line that models given data

Fitting a Line to Data Year Winning Throw 1900 118.2 1952 180.5 1904 128.9 1956 184.9 1908 134.2 1960 194.2 1912 145.1 1964 200.2 1920 146.6 1968 212.5 1924 151.4 1972 211.3 1928 155.2 1976 221.5 1932 162.4 1980 218.7 1936 165.6 1984 218.5 1948 173.2 1988 225.8

(80, 218.7) (20, 146.6)

“Negative Correlation” means the points can be approximated with negative slope.

“No Correlation” exists in this Scatter Plot.

(6, 6.98) (12, 8.18)

(6, 6.98) (12, 8.18)

C =0.2 w +5.78 W = 32 C = 0.2 (32) +5.78 C = $12.18

(0, 273.15) (100, 373.15)

Assignment: Page 335 2-12 even