# Math

I need help with finding the zeros of the function: x^4+10x^2+9.

1. 👍
2. 👎
3. 👁
1. Factor it first to..

(x^2+9)(x^2+1)=0
x^2=-9 x^2=-1

x=+-3j x=+-j
where j is the sqrt of -1. There are no real zeroes.

1. 👍
2. 👎
👤
bobpursley
2. but there are complex zeros

1. 👍
2. 👎

## Similar Questions

1. ### Math

Which of the following statements about a polynomial function is false? 1) A polynomial function of degree n has at most n turning points. 2) A polynomial function of degree n may have up to n distinct zeros. 3) A polynomial

2. ### Algebra 2!!!!

Use the graph to shorten the list of possible rational zeros of the function. Then find all real zeros of the function. 1.) f(x)= 4x^3-8x^2-15x+9 4.) f(x)= 2x^3-5x^2-4x+10

3. ### Math

For what values of k does the function f(x)=(k+1)x^2+2kx+k-1 have no zeros? One zero? Two zeros?

4. ### Precalculus

Suppose that a polynomial function of degree 4 with rational coefficients has i and (-3 + square root of 3)as zeros find the other zeros

1. ### Math

A polynomial function with rational coefficients has the following zeros. Find all additional zeros. 2, -2 + ã10

2. ### algebra 2

help please!! state the possible rational zeros for each function. then find all zeros. y=x^3-13x^2-x+13 show all the step please .thanks

3. ### math

determine between which consecutive integers the real zeros of each function are located. f(x)=3x^3 – 10x^2 + 22x – 4 (I got 0,1) f(x) = x^3 – 12x^2 + 17x – 9 (NO idea) f(x) = x^3 – 9 (I got 8,9) Thanks for the help, I

4. ### algebra

Using the rational zeros theorem to find all zeros of a polynomial The function below has at least one rational zero. Use this fact to find all zeros of the function h(x)=7x^4-9x^3-41x^2+13x+6 if more than one zero, separate with

1. ### rational zeros theorem

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=25x^4+26x^3+126x^2+130x+5 Find the real zeros x= Use the real zeros to factor f f(x)=

2. ### algebra2

state the number of positive real zeros, negative real zeros, and imaginary zeros for g(x) = 9x^3 - 7x^2 +10x - 4

3. ### Algebra HELP!

Consider the function h as defined. Find functions f and g so (f o g)(x)=h(x) h(x)=8/x^2+10 I think it is: h(x)=8/x^2+10 h(x)=8/x^2+10*x^2/x^2 h(x)=8/x^2+10x^2/x^2 h(x)=8+10x^2/x^2 h(x)=10x^2+8/x^2 h(x)=2(5x^2)+2(4)/x^2

4. ### Algebra

Could you please check my answers? Find an nth degree polynomial function with real coefficients satisfying the given conditions. 1. n=3; 3 and i are zeros; f(2)=20 -I got: f(x)=-4^3+12x^2-4x+12 3.n=3;4 and i zeros;f(-3)=60 -I