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Quantitative Aptitude

Coordinate Geometry

One side of a...

Question

One side of a rectangle lies along the line 4x + 7y + 5 = 0. Two of its vertices are (-3, 1) and (1, 1). Which of the following is not an equation of the other three straight lines?

A

14x - 8y = 6

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B

7x - 4y = - 25

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C

4x + 7y = 11

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D

14x - 8y = 20

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Solution

The correct option is D 14x - 8y = 20
Substitute (-3 , 1) and (1, 1) in the options.
Options A, B, and C satisfies the condition.
$∴$ Option (d) is not the equation of a line.

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