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Oksi-84 [34.3K]
2 years ago
13

Find a polynomial function of lowest degree with

Mathematics
1 answer:
ra1l [238]2 years ago
8 0

Answer:

x^3-4x^2+25x-100

Step-by-step explanation:

We have 2 roots -5i and 4. Using the conjugate root theorem for the root -5i, we know that 5i should be another root

Combining the roots into a polynomial gives us:

(x+5i)(x-5i)(x-4)

Expand:

(x^2 + 25)(x-4)

x^3-4x^2+25x-100

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Answer:

replace the x with -3

Step-by-step explanation:

if you ever have f(x) = 'insert equation' and then it says find f('insert number'), you replace what ever variable is after the first 'f' with the number after the second 'f'. hope this helped!

5 0
3 years ago
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Aneli [31]

Answer:

1, 3, 5, 7, or 9

Step-by-step explanation:

For 14, 213, 1__2 to be divisible by 4, the last two digits must be divisible by 4.

Using this knowledge, any odd single digit number would make the statement true.

14, 213, 112 ÷ 4 = 3, 553, 278

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Hope this helped!

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2 years ago
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Ksenya-84 [330]

Answer:

50

Step-by-step explanation:

25 ----------- 1/2 h (half and hour)

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25 * 1h = x * 1/2h

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5 0
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Answer:

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tekilochka [14]

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