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Furkat [3]
2 years ago
6

Create polynomial functions using the given information:

Mathematics
1 answer:
ycow [4]2 years ago
8 0

It's pretty much simple. Since we can factor a polynomial by its zeros, lets write one of degree nine :

X(X-1)(X-2)(X-3)(X-4)(X-5)(X+1)(X+2)(X+3)= X^9-9X^8+6X^7+126X^6-231X^5-441X^4+944X^3+324X^2-720X

This polynomial is of degree 9 and has exactly 5 strictly positive zeros : 1, 2, 3, 4, 5

And it has 3 negative zeros : - 1, -1, - 3

And it has 0 as a zero too.

There is also this one :

(X-1)(X-2)(X-3)(X-4)(X²+1)(X+1)(X+2)(X+3) = X^9-4X^8-13X^7+52X^6+35X^5-140X^4+13X^3-52X^2-36X+144

It has 4 positive zeros : 1, 2, 3, 4.

It has complex zeros : i and - i

3 negative zeros : - 1, - 2 , - 3

Good Luck

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Step-by-step explanation:

A quadratic equation is a polynomial of degree two. A quadratic equation is in the form:

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Solving the equation 2x² - 10x - 20 = 8 using completing the square:

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x² - 5x + 6.25 = 14 + 6.25

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taking square root of both sides:

x - 2.5 = √20.25

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x = 2.5 ± 4.5

x = 2.5 + 4.5; or x = 2.5 - 4.5

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If a train traveled 2,144 miles in 8 hours how many miles does it travel in 1 hour
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