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Mathematics, 17.12.2020 03:40 lxlie2315

For what value of k are the graphs of 12y = -3x + 8 and 6y = kx - 5 parallel? For what value of k are they perpendicular?

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For what value of k are the graphs of 12y = -3x + 8 and 6y = kx - 5 parallel? For what value of k...
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