Which two values of xare roots of the polynomial below?
x2 + 5x+ 11

x = -5/2 + i√19 and x = -5/2 - i√19

Step-by-step explanation:

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Here we can actually find the roots, using the quadratic formula or some other approach.

a = 1, b = 5 and c = 11.  Then the discriminant is b^2-4ac, or 5^2-4(1)(11).  Since the discriminant is negative, the roots are complex.  The discriminant value is 25-44, or -19.

Thus, the roots of the given poly are:

     -5 plus or minus i√19

x =

                    2(1)

or x = -5/2 + i√19 and x = -5/2 - i√19

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answer: for each 3 girls there is 2 boys . 3: 2

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50x5=$250

step-by-step explanation: