posted by .

which of the following is true about the polynomial f(x) = x3 + 9x2 + 24x + 16 ?
a. -1 is a zero
b. 1 is a zero
c. -2 is a zero
d. 2i is a zero

  • algebra -

    f(-2)=-8+36-48+16=not zero
    f(-1)=-1+9-24+16= zero, it is a zero.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. maths

    how do i solve this equation? there is another answer other than 0, but i am not sure how to get it. 5x^2 + 7x =0 factor the term: x(5x+7)=0 Either term can be zero. You found the x=0, what value of x makes 5x+7 zero?
  2. Algebra

    Find a polynomial of degree 4 with i as a zero of multiplicity 1, – i as a zero of multiplicity 1, and 5 as a zero of multiplicity 2. A. x^4 – 10x^3 + 26x^2 – 10x + 25 B. x^4 – 10x^3 + 24x^2 + 10x – 25 C. x^4 – 24x^2 + …
  3. Math

    ok so i'm kinda sort of confused... I had this for a equation X^2 + 4X - 1 = 0 and then I was like zero?
  4. chemistry

    can you check my answers(has star next to it) 1. Absolute zero is when T = 0 K. A. true* B. false 2. Molecular motion is neglibible at absolute zero. A. true* B. false 3. Absolute zero is the temperature when P = 0. A. true* B. false …

    Can anyone explain this in 50 words why the equation turns out like it does?
  6. college algebra

    find the zero's for the following polynomial and give the multiplicity for each zero. For each zero, state whether the graph crosses the x-axis or touches the x-axis and turns around. f(x)=5(x-2)(x+4)^3 I am having trouble with this. …
  7. Math

    If P(x) is a polynomial with P(–6) = –1.12 and P(–5) = 0.6 then which of the following must be true?
  8. College Algebra 105

    use the rational zero's theorem to list the potential zero's of the polynomial function. Do not attempt to find the zero's f(x)=-169x^7-x^6+x+13 and then the second part is find the potential rational zero's.
  9. algebra

    Want to make sure I am doing this correctly. Use the Intermediate Value Theorem for polynomials to show that the polynomial function f(x)has zero between the numbers given. f(x)=3x^2-x-4 ; 1 and 2 3(1)^2-1-4= - 2 below zero 3(2)^2-1-4= …
  10. Precalculus

    There is at least one polynomial with real functions with 9+i as its only nonreal zero. A. The statement is​ false, because the Fundamental Theorem of Algebra dictates that there must be n complex zeros for a polynomial of degree …

More Similar Questions