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28 January, 00:49

What are the solutions to the following system of equations?

y = x2 + 12x + 30

8x - y = 10

(-4, - 2) and (2, 5)

(-2, - 4) and (2, 5)

(-2, - 4) and (5, 2)

No Real Solutions

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Answers (1)
  1. 28 January, 00:57
    0
    Y = 8 x - 10

    x² + 12 x + 30 = 8 x - 10

    x² + 4 x + 40 = 0

    and because the discriminant is: D = b² - 4 ac = 16 - 160 = - 144 < 0

    answer is: D) No real solutions
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