Which of the following lines is parallel to the line x=2.66 : Quant Question Archive [LOCKED]
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# Which of the following lines is parallel to the line x=2.66

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Which of the following lines is parallel to the line x=2.66 [#permalink]

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26 Jul 2007, 23:32
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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
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27 Jul 2007, 01:07
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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