Question

If 12x2-10xy+2y2+14x-5y+k=0 represents a pair of lines then k=??
The options are
6
2
8
4

Answer 1

Could you use the formula builder, the equation sign below to frame the question.

Answer 2

\[12x ^{2}-10xy+2y ^{2}+14x-5y+k\]

Answer 3

@Anas.P see the equation

Answer 4

this is one equation, how can it represent a pair of lines?

Answer 5

this is the condition i think......

Answer 6

@bond did u get it?

Answer 7

@anusha.p could you explain it pls

Answer 8

it is the condition ......to represent a pair of straight lines
solve fo k..

Answer 9

k