25-09-2017
Mathematics

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Due tomorrow plz help. D-F3

Due tomorrow plz help DF3 class=

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choixongdong choixongdong

25-09-2017

D.
slope = -3
passing thru(4,3)
y = mx + b
3 = -3(4) + b
b = 15

equation
y = -3x + 15

E.
(4,5)(6,9)
slope = (9-5)/(6-4) = 4/2 = 2
passing thru (4,5)(6,9)
y = mx + b
5 = 2(4) + b
b = -3

equation
y = 2x - 3

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