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goblinko [34]
3 years ago
6

Complete the equation of the line through (2,1)and (5,-8)

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

m =  \frac{ - 8 - 1}{5 - 2}  \\   = \frac { - 9}{3}  \\  m  =  - 3 \\ y = mx + c \\ 1 =  - 3(2) + c \\ c = 7 \\ y = mx + c \\ y =  - 3x + 7
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