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30 November, 19:23

Identifying the values a, b, and c is the first step in using the Quadratic Formula to find solution (s) to a quadratic equation. What are the values a, b, and c in the following quadratic equation? 18 = - 9x + 7x2

A. a = 18, b = 9, c = - 7

B. a = 18, b = - 9, c = 7

C. a = 7, b = 9, c = 18

D. a = - 7, b = 9, c = 18

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Answers (2)
  1. 30 November, 19:42
    0
    Answer: D

    Step-by-step explanation:

    C is always going to be the last piece after the equal sign. Then A and B are the 2 in front
  2. 30 November, 19:44
    0
    D. a = - 7, b = 9, c = 18

    Step-by-step explanation:

    18 = - 9x + 7x²

    7x² - 9x - 18 = 0

    Or

    -7x² + 9x + 18 = 0

    a = - 7, b = 9, c = 18
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