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3 January, 08:11

Select all the ordered pairs that are solutions to the equation 5x + 2y = - 8

Question options:

(4, - 14)

(0, - 4)

(-4, 0)

(1, - 2)

(-85,0)

+3
Answers (1)
  1. 3 January, 09:12
    0
    The answer to your question is only (0, - 4) is a solution to the equation.

    Step-by-step explanation:

    Equation

    5x + 2y = - 8

    Process

    1) Substitute all the possible solutions in the equations to find the answer

    a) (4, 14)

    5 (4) + 2 (14) = - 8

    20 + 28 = - 8

    48 = - 8 This is not a solution

    b)

    5 (0) + 2 (-4) = - 8

    0 - 8 = - 8 This is a solution

    c)

    5 (-4) + 2 (0) = - 8

    -20 + 0 = - 8

    -20 = - 8 This is not a solution

    d)

    5 (1) + 2 (-2) = - 8

    5 + - 4 = 8

    1 = 8 This is not a solution

    e)

    5 (-85) + 2 (0) = - 8

    -425 + 0 = - 8

    -425 = - 8 This is not a solution
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