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neonofarm [45]
3 years ago
15

Use the rational zero theorem to create a list of all possible rational zeros of the function f(x)=14x7-4x2+2

Mathematics
1 answer:
frosja888 [35]3 years ago
6 0

Answer:

Factor this polynomial:  

F(x)=x^3-x^2-4x+4

Try to find the rational roots. If p/q is a root (p and q having no factors in common), then p must divide 4 and q must divide 1 (the coefficient of x^3).  

The rational roots can thuis be +/1, +/2 and +/4. If you insert these values you find that the roots are at  

x = 1, x = 2 and x = -2. This means that  

x^3-x^2-4x+4 = A(x - 1)(x - 2)(x + 2)  

A = 1, as you can see from equation the coefficient of x^3 on both sides.  

Typo:  

The rational roots can be  

+/-1, +/-2 and +/-4

Step-by-step explanation:


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Dafna1 [17]

Answer:

x=5 twice

Step-by-step explanation:

x^2-10x+25=0

multiply the coefficient of x^2 and the last term

1X25=25

find two numbers you can multiply to get 25 and add to get -10

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replace -10x with -5x -5x and solve the equation

x^2-5x-5x+25=0

factorise by grouping

x(x-5)-5(x-5)=0

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Either x-5=0,x=5 or x-5=0,x=5

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3 years ago
How does the Pythagorean Table help you with addition?
scZoUnD [109]

Answer:

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Equations and functions
Brilliant_brown [7]

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3 years ago
Read 2 more answers
Which description is correct for the polynomial 2x² + 2?
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Answer:

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Step-by-step explanation:

we have

2x^{2}+2

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we know that

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