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3 August, 09:23

Which systems have infinite solutions? Check all that apply.

y = 0.5x + 2.75 and 2y = x + 2.75

y = 0.5x + 2.75 and y - 0.5x = 2.75

y = 0.5x + 2.75 and 0.5x + y = 2.75

y = 0.5x + 2.75 and y = 0.5 (x + 5.5)

y = 0.5x + 2.75 and y = - 2 (-0.25x) + 2.75

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Answers (2)
  1. 3 August, 10:20
    0
    y = 0.5x + 2.75

    y - 0.5x = 2.75 so y = 0.5x + 2.75

    0.5x + 2.75 = 0.5x + 2.75

    0=0

    These systems have infinite solutions

    answer

    y = 0.5x + 2.75 and y - 0.5x = 2.75 (second choice)
  2. 3 August, 10:26
    0
    The second has infinite
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