Homework Help: Algebra

Posted by Jes on Tuesday, October 9, 2007 at 9:13pm.

Please check my answers. Thanks!

Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots.

5.2x^3-13x^2+22x-8=0
-My answer:{1/2,2,4}

6.x^3-8x^2-x+8=0
-My answer: {1,-1,8}

Find the rational zero of the polynomial function and use it to find all the zeros of the function.

3. f(x)=x^3+3x^2-4x-12
My answer: {-3,-2,2}

4. f(x)3x^3-14x^2+13x+6
My answer: {-1/3,2,3}

Algebra - Reiny, Tuesday, October 9, 2007 at 9:34pm
you are correct in all cases

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