JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Easy

1 of 1

Application +4 | -1

If the equation

3{x^2} + xy - {y^2} - 3x + 6y + k = 0

represents a pair of straight lines, then the values of

k

View answer and explanation

Correct option: C

-9

Option B (

6x + y - 19 = 0

) is correct because it represents the equation of the line that bisects the segment joining the points (-4, 6) and (8, 8) perpendicularly.

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