SOLUTION: Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros. Write the function in standard form. 0,5,−5+√8

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros. Write the function in standard form. 0,5,−5+√8      Log On


   



Question 1063433: Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros. Write the function in standard form.
0,5,−5+√8

Found 2 solutions by stanbon, ikleyn:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros. Write the function in standard form.
0,5,−5+√8
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f(x) = x(x-5)(x-(-5+sqrt(8))(x-(-5-sqrt(8))
f(x) = x(x-5)((x+5)-sqrt(8))((x+5)+sqrt(8))
f(x) = x(x-5)((x+5)^2-8)
f(x) = x(x-5)(x^2+10x+17)
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Cheers
Stan H.
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Answer by ikleyn(52810) About Me  (Show Source):
You can put this solution on YOUR website!
.
The solution of the given problem, if to read it LITERALLY, is

p(x) = x%2A%28x-5%29%2A%28x%2B5-sqrt%288%29%29.


But I am sure it is NOT what you expect.


It is because you INCORRECTLY formulated the problem.


The correct formulation requests the polynomial with INTEGER coefficients.

Then it is 

q(x) = x%2A%28x-5%29%2A%28x%2B5-sqrt%288%29%29%2A%28x%2B5%2Bsqrt%288%29%29.

I am surprising why people are not able to write one line of the text correctly.