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Are the graphs of the lines in the pair parallel? explain y=6x +9 27x - 3y = -81

1 Answer

6 votes
y = 6x + 9
3y = 27x + 81
y = 9x + 27

m1 = 6
m2 = 9

this lines is not parallel because the gradient is not the same
User Symbiotech
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