Question

For what value of k, the given equations have(1, 2) solution kx + 2y = 5

(A) k= 6

(B) k = 2

(C) k = – 6

(D) k = 1​

Answer 1

Answer:

Kx+2y =5

K(1)+2(2)=5

K+4=5

K=5-4

K=1

Answer 2

Answer:

Hey! Ur answer:

$kx + 2y = 5 \\ solution \: > (1, 2) \\ putting \: the \: value \: in \: the \: equation \\ k(1) + 2(2) = 5 \\ = > k + 4 = 5 \\ = > k = 5 - 4 \\ = > k = 1 \: \: (D)$

Step-by-step explanation:

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