SOLUTION: 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)=x^3-2x^2-13x-10 Find the real zero

Question 627991: 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)=x^3-2x^2-13x-10
Find the real zeros of f.
x=?
Use the real zeros to factor f.
f(x)=?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
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)=x^3-2x^2-13x-10
Find the real zeros of f.
x=?
Use the real zeros to factor f.
f(x)=?
**
Using rational roots theorem:
....0....|....1.......-2.......-13........-10...........
...-1....|....1......-3.......-10..........0 (-1 is a zero)
f(x)=(x+1)(x^2-3x-10)=(x+1)(x+2)(x-5)
real zeros of f: -2, -1, & 5)
f(x)=(x+1)(x+2)(x-5)
RELATED QUESTIONS
Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use (answered by nerdybill)

use the rational zeros theorem to find all the real zeros of the polynomial function. use (answered by Gogonati)

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by josgarithmetic)

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by lwsshak3)

Use the rational zeros theorem to find all the real zeros of the polynomial function.... (answered by Edwin McCravy)

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by stanbon)

Use the Rational zeros theorem to find all real zeros of each polynomial functions. Use... (answered by richwmiller)

use the rational zeros theorem to find all zeros of the polynomial. Use the zeros to... (answered by josgarithmetic)