Question

If (-K, -2K) is a solution of 3x - 4y + 5 = 0, then
the value of Kis
(1) O
(2) 1
(3) -1
(4) 2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(3) - 1

Step-by-step explanation:

3x - 4y + 5 = 0

put , x=-k and y=-2k

3(-k) - 4(-2k) + 5 =0

-3k + 8k + 5 = 0

5k + 5 = 0

5k = -5

k = -5/5

k = -1