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26 May, 15:11

Which ordered pair is not a solution of - 2x + 3y >8?

A. (2, 8)

B. ( - 1, 4)

C. (3,11)

D. (-2, 1)

E. (0,6)

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Answers (1)
  1. 26 May, 18:23
    0
    D

    To find which ordered pair is not a solution, substitute the coordinates into the left side of the inequality and check validity of result.

    A (2, 8)

    - 4 + 24 = 20 > 8

    (2, 8) is a solution

    B ( - 1, 4)

    2 + 12 = 14 > 8

    ( - 1, 4) is a solution

    C (3, 11)

    - 6 + 33 = 27 > 8

    (3, 11) is a solution

    D ( - 2, 1)

    4 + 3 = 7 < 8

    ( - 2, 1) is not a solution

    D (0, 6)

    0 + 18 = 18 > 8

    (0, 6) is a solution
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