Mathematics, 29.09.2019 12:10 coollid876

The equation of line cd is (y−3) = − 2 (x − 4). what is the slope of a line perpendicular to line cd?
a. 1 over 2
b. 2
c. negative 1 over 2
d. −2

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The equation of line cd is (y−3) = − 2 (x − 4). what is the slope of a line perpendicular to line cd...