What is the slope of the line passing through $(9,9);(-11,7)$ ?

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Answer 1 · 2016-01-01T18:39:21

The formula for the slope of a line is m = $(y_2 - y_1) / (x_2 - x_1)$

m = $(y_2 - y_1) / (x_2 - x_1)$

m = $(7 - 9) / (-11 - 9)$

m = $-2/-20$

m = $-1/10$

What is the slope of the line passing through (9,9);(-11,7) (9,9);(-11,7) ?