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Help with this please


Help With This Please class=

Sagot :

use formula ;

gradient = (y2 - y1) / (x2 - x1)

(x1, y1) = (3,1)
(x2, y2) = (-4, 3)

thus

(3-1) / (-4-3)
= 2 / - 7
= - (2/7)

answer ; D