**8/27/2014****
**What
is the distance between 2 parallel lines 3x + y = 12 and 6x + 2y = 4?
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down for the solution.**

**8/27/2014
**Solution.
**Choosing
any point on 3x + y = 12 → (4, 0). Distance between (4, 0) and
6x + 2y – 4 = 0 is d = |6(4) + 2(0) – 4| / ****√****6**^{2}**
****+
2**^{2}**
****=
****√****10**