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zhenek [66]
2 years ago
6

If the line passing through the points (a, 1) and (−17, 8) is parallel to the line passing through the points (0, 5) and (a + 2,

1), what is the value of a?
Mathematics
1 answer:
stellarik [79]2 years ago
4 0
Parallel line means the same slope
(8-1)/(-17-a)=(1-5)/(a+2)
so a is 18
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