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Which of the following lines is parallel to the line x=2.66

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Manager
Joined: 14 Mar 2007
Posts: 62
Followers: 1

Kudos [?]: 1 [0], given: 0

Which of the following lines is parallel to the line x=2.66 [#permalink]  26 Jul 2007, 23:32
Which of the following lines is parallel to the line x=2.66 - 2y ?

a) 2x + 25
b) 2.66x - 2
c) x + 3y
d) -1/2x - 32
e) 1/2x + 3
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5068
Location: Singapore
Followers: 23

Kudos [?]: 193 [0], given: 0

Parallel lines have the same gradient.

x = 2.66-2y
y = 1.33-0.5x

m = -0.5

Only D has a gradient -0.5
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