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[QUESTION] Paragraph: If (7,4,2, )=0 , then is a root of which one of the following equation?

Options

  1. A7 x^2+4 x+2=0
  2. B7 x^2-4 x+2=0
  3. C7 x^2+8 x+2=0
  4. D7 x^2-8 x+2=0

Correct answer

C. 7 x^2+8 x+2=0

Step-by-step solution

(7,4,2, )=0a=7, b=4, c=2a ^2+2 b +c=07 ^2+8 +2=0 is a root of 7 x^2+8 x+2=0

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