Posted by **Rebecca** on Thursday, October 13, 2011 at 9:10am.

One zero of f(x)=x^3+4x^2+x+c is -3.

a) calculate the value of c.

b)calculate the other zeros.

- Grade 12 Advanced Functions -
**Anonymous**, Thursday, October 13, 2011 at 10:14am
Ummm, didn't MathMate just do one of these for you? Plug in -3 and evaluate to find c.

- Grade 12 Advanced Functions -
**Anonymous**, Thursday, October 13, 2011 at 10:43am
Ummmmm, I needed help with the second part

- Grade 12 Advanced Functions -
**Steve**, Thursday, October 13, 2011 at 10:48am
Divide by x+3 and see what you get:

x^3 + 4x^2 + x -6

= (x+3)(x^2 + x - 2)

= (x+3)(x+2)(x-1)

Got it now?

- Grade 12 Advanced Functions -
**Confused**, Thursday, October 13, 2011 at 6:09pm
what about this question:

Determine the roots algebraically by factoring.

a) x^3-8x^2-3x+90=0

## Answer this Question

## Related Questions

- advanced functions/precalculus - 1. The function f(x) = (2x + 3)^7 is the ...
- Grade 12 Advanced Functions - The polynomial 2x^3+px^2-x+6 has a remainder of ...
- Algebra 2 - One of the the zeros of the functions F(x)= x^4+2x^3-13x^2-38x-24 is...
- math - The application of one function followed by the application of a second ...
- Precalculus - The application of one function followed by the application of a ...
- 12th grade-Advanced functions - the y-intercept of the graph of y=k(x-1)(x-2)(x-...
- Math - Q.1)If one zero of the polynomial 3x2-kx-2 is 2 find the other zero.allso...
- Math-Polynomials/Zeros - How do I find complex zeros in a an equation if the ...
- alg 2 - find all zeros of the following function: f(x)=x^3-x^2+4x-4 I have (x^2+...
- Math - The function f(x)=x^2+5x+6 has zeros at -2 and -3. What are the zeros of ...

More Related Questions