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Find $k$ so that $4 x + 6 y = 11$ and $2 x + k y = 7$ have no solution.

Competition practiceAlgebra

A3
B12
C6
D2

Step-by-Step Solution

No solution needs 4/2 = 6/k ≠ 11/7. 6/k = 2 gives k = 3, and 11/7 ≠ 2, so k = 3.

Answer: A) 3

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