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emmainna [20.7K]
3 years ago
11

Question 7 Need Help

Mathematics
2 answers:
julia-pushkina [17]3 years ago
5 0
B is the most accurate




good luck
kkurt [141]3 years ago
3 0
I think it is B. 

Hope its right! 

:) 
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Consider the polynomial p(x) = x^3 + 4x^2 + 6x − 36.
Nady [450]

Answer:

a. attached graph; zero real: 2

b. p(x) = (x - 2)(x + 3 + 3i)(x + 3 - 3i)

c. the solutions are 2, -3-3i and -3+3i

Step-by-step explanation:

p(x) = x³ + 4x² + 6x - 36

a. Through the graph, we can see that 2 is a real zero of the polynomial p. We can also use the Rational Roots Test.

p(2) = 2³ + 4.2² + 6.2 - 36 = 8 + 16 + 12 - 36 = 0

b. Now, we can use Briott-Ruffini to find the other roots and write p as a product of linear factors.

2 |  1     4     6    -36

     1      6    18     0

x² + 6x + 18 = 0

Δ = 6² - 4.1.18 = 36 - 72 = -36 = 36i²

√Δ = 6i

x = -6±6i/2 = 2(-3±3i)/2

x' = -3-3i

x" = -3+3i

p(x) = (x - 2)(x + 3 + 3i)(x + 3 - 3i)

c. the solutions are 2, -3-3i and -3+3i

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3 years ago
(t9)-8 what is the simplify expression
musickatia [10]
The answer would be -72t because all you would have to do is multiply the expression
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myrzilka [38]

Answer:

July

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Last year, the local animal shelter found homes for 12,308 dogs and 7,953 cats. What is the total number of dogs and cats the an
Murrr4er [49]
Shelters found for dogs = 12,308
Shelters found for cats  = 7,953

Total number of shelters found
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Therefore, the total number of shelter found for both dogs and cats last year is 20,261 shelters
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9)
8x+4*6
8x+24

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