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sammy [17]
3 years ago
10

Which two values of X are roots of the polynomial below?​

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
7 0

Answer:

C and D

Step-by-step explanation:

As determinant of this quadratic equation is given by-

(-b±√(b²-4ac))/2a

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What times what equals 12 but when you add those numbers together it equals positive 2
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Hello from MrBillDoesMath!

Answer:

1 - i sqrt(11) , 1 + i sqrt(11)  

Discussion:

Translating the Question into mathematical symbols:

x * y = 12     (*)

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From (**),  y  = 2 - x. Substitute this value in (*)

x * y = x * (2-x) = 12     =>

2x - x^2 = 12               => add x^2, subtract 2x from both sides

0 =  x^2  -2x + 12    

Solving using the quadratic formula gives

x = 1 - i sqrt(11)

and

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Thank you,

MrB

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