Question

53. The value of m for which the lines 3x = y - 8 and
6x + my + 16 = 0 coincide, is
(1) 2
(2) -2
(3)1/2
(4)-1/2
​

Answer 1

Answer:

(2) -2

Step-by-step explanation:

Fot the lines to coincide

a1/a2 = b1/b2 =c1/c2

So, 3/6 = -1/m = 8/16

=> -1/m = 1/2

=> m = -2

(2) -2

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Answer 2

Answer:

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