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castortr0y [4]
2 years ago
9

11. Work backwards to write a quadratic equation that will have solutions of x = 12 and x = 2.

Mathematics
1 answer:
Svetlanka [38]2 years ago
4 0

-------------------------------------------------------------------------------------------------------------

Answer:  \textsf{x}^2\textsf{ - 14x + 24}

-------------------------------------------------------------------------------------------------------------

Given:  \textsf{x = 12 and x = 2}

Find: \textsf{Determine the quadratic equation}

Solution:  In order to determine the quadratic equation we need to move the integers onto the side where x is and then distribute.

<u>Move the integers</u>

  • Solution #1
  • \textsf{x - 12 = 12 - 12}
  • \textsf{x - 12 = 0}

  • Solution #2
  • \textsf{x - 2 = 2 - 2}
  • \textsf{x - 2 = 0}

<u>Create and expression and distribute</u>

  • \textsf{(x - 12)(x - 2) = 0}
  • \textsf{(x * x) + (x * -2) + (-12 * x) + (-12 * -2) = 0}
  • \textsf{x}^2\textsf{ - 2x - 12x + 24 = 0}
  • \textsf{x}^2\textsf{ - 14x + 24 = 0}

Therefore, after completing the steps we were able to determine that the quadratic equation that will have solutions of x = 12 and x = 2 is x^2 - 14x + 24.

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