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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