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March 31, 2015

March 31, 2015

Posted by **Meghan** on Monday, April 16, 2012 at 6:33pm.

- Geometry -
**Reiny**, Monday, April 16, 2012 at 6:57pmyou could just pick two points that satisfy your given condition,

pick any y,

e.g. y = 4, then x = 4 ---> (4,4)

y = 5, then 6 --> (6,5)

slope = (5-4)/(6-4) = 1/2

or

just translate "x-coordinate of each point on a line is 4 less than twice its y-coordinate"

---> x = 2y - 4

2y = x+4

y = (1/2)x + 2--- compare with y = mx + b

slope = 1/2

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