Saturday

January 31, 2015

January 31, 2015

Posted by **julez** on Saturday, October 29, 2011 at 7:07pm.

f(x)=x^4+3x^2-4

- college algebra -
**Damon**, Saturday, October 29, 2011 at 7:20pmlet z = x^2

then

z^2 + 3 z - 4 = 0

(z-4)(z+1) = 0

z = 4 or z = 1

so

x^2 = 4 or x^2 = 1

so

+/- 2 and +/- 1

**Answer this Question**

**Related Questions**

calculususe the rational zeros theorem to list the - use the rational zeros ...

algebra - use the rational zero theorem to list the potential rational zeros of ...

Algebra - Use the rational zeros theorem to list the potential reational zeros ...

potential rational zeros - list the potential rational zeros of the polynomial ...

algebra - List all possible rational zeros given by the Rational Zeros Theorem (...

Use the rational zeros theorem - Use the rational zeros theorem to list the ...

Algebra- is my answer right - Use the rational zeros theorem to list all ...

Math - Possible or Potential rational zeros - List all possible (or potential) ...

Math Problem (please help) - Find all the zeros of the function. When there is ...

algebra - list all the possible rational zeros of f using the rational zero ...