# Math

I just wanted to double check that I am correct.

1.Find the zeros for the function:
f(x)= 4(x-3)(x+2)(x-4)^2
Zeros are: 3,-2, 4(multiplicity 2)

2.Find the zeros for the function:
f(x)= x^3-9x
Zeros are: 0, 3, -3

1. 👍 0
2. 👎 0
3. 👁 90
1. both correct

1. 👍 0
2. 👎 0
posted by Steve

## Similar Questions

Find all the zeros of the function. When there is an extended list of possible rational zeros, use a graphing utility to graph the function in order to discard any rational zeros that are obviously not zeros of the function.

2. ### calculus

For the following function f(x)=2x^4-6x^2+2x-1. Find the maximum number of real zeros and Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the

asked by Monse on November 12, 2011
3. ### Polynomial Function

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

asked by Soly on October 9, 2007
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

asked by Soly on October 12, 2007
5. ### algebra

1)A.f(x)= x^2+4 B.f(x)= x^2-4x^2+4x-16 C.f(x)= x^2+4x^2+4x+16 D.f(x)= x^2-4x^2-4x+16 2)A.+-1,+-2,+-3,+-6 B.0,+-1,+-2,+-3,+-6,+-1/3,+-2/3 C.+-1,+-2,+-3,+-6,+-1/3,+-2/3 D.+-1,+-3,+-1/6,+-1/3,+-1/2,+-3/2 4)I don't know what they mean

asked by Marissa on August 17, 2007
6. ### Decartes Rules

Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. Please check my answers? 1. f(x)=-7x^9+x^5-x^2+6 This is what I did: There are 2 sign changes

asked by Ash on October 10, 2007
7. ### 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

asked by Pat on October 17, 2015
8. ### 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 g(x)=5x©ù-28©ø-48x©÷-8x+7 if more than one zero, separate

asked by Pat on October 17, 2015
9. ### Math

The function f(x)=x^2+5x+6 has zeros at -2 and -3. What are the zeros of the function y=-2f(x/11) ? Do you just plug x/11 into each x value in f(x)? Like f(x)= (x/11)^2+5(x/11)+6 (I exclueded the -2 because if I divide 0 by -2,

asked by Ben on September 21, 2015
10. ### Decartes Rule

Can you please check my work? Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. 1. f(x)=-7x^9+x^5-x^2+6 This is what I did: There are 2 sign changes

asked by Ash on October 12, 2007

More Similar Questions