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## Carl is deriving the quadratic equation by completing the square. His work at one of the steps is shown. x + b/na = + or – b^2-4ac. Carl is

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Carl is deriving the quadratic equation by completing the square. His work at one of the steps is shown. x + b/na = + or – b^2-4ac. Carl is not sure what the value of n is. What value should he use to continue deriving the quadratic equation correctly? A. 1 B. 2 C. 3 D. 4

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Mathematics
5 months
2021-08-02T20:59:36+00:00
2021-08-02T20:59:36+00:00 1 Answers
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## Answers ( )

Answer:the correct option is B. 2

Step-by-step explanation:As given,

x + = ± √b²-4ac

⇒x = – ± √b²-4ac

As e know that the quadratic formula is

x =

So , by comparing with the formula

we get

n = 2

So, the correct option is

B. 2