Mathematics, 09.11.2020 05:50 mia7955

Line a passes through points (2, 1) and (7, 9). Line b is perpendicular to a. What is the slope of line b? Simplify your answer and write it as a proper fraction, improper fraction, or integer.

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Line a passes through points (2, 1) and (7, 9). Line b is perpendicular to a. What is the slope of l...

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