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Bezzdna [24]
3 years ago
8

Hi can you guys help me? In 1,2,3 and 4?

Mathematics
1 answer:
Andrew [12]3 years ago
7 0

1. 3, -1, -5, -9

2. -5, -3, -1, 1

3. -2, 0, 2, 4

4. 6, 5, 4, 3

Hope this helps!

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3 years ago
Lauren in making 15 liters of mimosas for a brunch banquet. Orange juice costs her $1.50 per liter and champagne costs her $12 p
PSYCHO15rus [73]

Answer:

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Step-by-step explanation:

Let c represent the number of liters of champagne Lauren uses. Then (15-c) will be the number of liters of orange juice. The total cost of the mix will be ...

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What are all of the real roots of the following polynomial? f(x) x^4-24x^2-25
Greeley [361]

<u>Answer:</u>

x = ±5

<u>Step-by-step explanation:</u>

We are given the following polynomial function and we are to find all of its real roots:

x^4-24x^2-25

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y^2-24y-25

Factorizing it to get:

(y^2+y)+(-25y-25)

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Substitute back y=x^2 to get:

\left ( x^2 + 1 \right ) \left ( x^2 - 25 \right )

\left ( x^2 + 1 \right ) \left ( x + 5 \right ) \left ( x - 5 \right )

The quadratic factor has only complex roots. Therefore, the real roots are x = ±5.

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