10 Answered Questions for the topic Real Zeros

05/03/18

form a polynomial whose real zeros are -4 0 8 with a degree of 3

helps me solve the problem I am asking about, and to help me better understand what polynomials are.

02/13/18

Linear factors theorem and conjugate zeros theorem

Suppose that R(x) is a polynomial of degree 7 whose coefficients are real numbers.   Also, suppose that R(x) has the following zeros.   4+i, -1+3i, -4i   Answer the following: a) Find... more

02/02/18

Use the Factor Theorem to determine whether the binomial x + 1 is a factor of the polynomial function ƒ(x) = 2x3 – 9x2 + 13x – 6.

No, because ƒ(c) = –4 Yes No, because ƒ(c) = 14 No, because ƒ(c) = –30

03/29/17

Find the zeros of the given polynomial function f. State the multiplicity of each zero. (Order your zeros from smallest to largest, first by real part

f(x) = (x2 + 81)(x2 − 3x + 2)2   I believe I have the correct answers but the online site won't take them. I have x=1 multiplicity 2           x=2 multiplicity 2           x=-9i multiplicity... more

12/06/15

HOW TO FIND REAL ZEROS FOR x^4-5x^3+6x^2-4x-8

I HAVE ALREADY WORK ON IT FOR 2 HOURS AND i GOT NOTHING I EXPECT TO GET NO JUST AN ANSWER BUT ALSO A STEP BY STEP EXPLAINATION PLEASE THANK YOU SO MUCH

11/18/15

Use descartes rule of signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function: f(x)= 9x^7

Use descartes rule of signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function:f(x)= 9x^7 + 3x^5 - 8x^3 + 7x - 1

10/12/15

How do I factor to find the zeros

y= 4x^3 + 4x^2 - 7x +2 find all the real zeros.  I dont know how to factor this fraction. I saw the Ac factoring thing but I didnt understand it. May someone explain to me please?

10/12/15

How do you know the multiplicity is 2?

f(x)= x^4 - x^3 - 20x^2 Find all real zeros and determine the multiplicity of each. i did my factors and got 5,4,1,20,10,2 so i did synthetic with 5 and it was a factor. then I did synthetic... more

03/27/15

what are the real zeros of x^4-5x^3+6^2-x-2

i need help with this problem canyou explain please

12/03/13

Form a polynomial whose real zeros and degree are given in factored form using a coeffiecient of 1...

Form a polynomial whose real zeros and degrees are given . give in factored form using a coefficient of 1.  ZEROS:-3,0,2;  degree:3 

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