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18-12-2017
Mathematics

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choixongdong choixongdong

18-12-2017

slope = (2 + 1)/(1/2 +3) = 3/ 3.5 = 6/7

y = mx - b
b = y - mx
b = -1 - (6/7)(-3)
b = -1 + 18/7
b = -7/7 + 18/7
b = 11/7

equation
y = 6/7(x) + 11/7
7y = 6x + 11
6x - 7y = -11 ...<-----this is standard form

answer is B.
6x - 7y = -11

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