4awills 4awills

23-10-2016
Mathematics

contestada

standard form of (2,-4) slope : -1

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texaschic101 texaschic101

23-10-2016

y = mx + b
slope(m) = -1
(2,-4)...x = 2 and y = -4
now we sub and find b, the y int
-4 = -1(2) + b
-4 = -2 + b
-4 + 2 = b
-2 = b

y = -x - 2
x + y = -2 <== standard form

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