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Bond [772]
3 years ago
11

What are the solutions to the following system of equations? Select the correct answer below.

Mathematics
2 answers:
polet [3.4K]3 years ago
7 0
        y = x² - 4x + 8
4x + y = 12

                 4x + y = 12
4x + (x² - 4x + 8) = 12
  x² + 4x - 4x + 8 = 12
                 x² + 8 = 12
                      - 8    - 8
                       x² = 4
                        x = ±2
   4x + y = 12
4(2) + y = 12
     8 + y = 12
   - 8          - 8
           y = 4

    4x + y = 12
4(-2) + y = 12
    -8 + y = 12
  + 8         + 8
           y = 20

(x, y) = (2, 4) and (-2, 20)
ICE Princess25 [194]3 years ago
6 0

the answer to this question is  (2, 4) and (−2, 20)

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