Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

    
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

774,897 users

how many roots does f(x)=x^4-x^3-7x^2+5x+10 have

0 votes

how many roots does f(x)=x^4-x^3-7x^2+5x+10 have

asked Feb 24, 2014 in ALGEBRA 2 by abstain12 Apprentice

2 Answers

0 votes

Given polynomial f(x) = x^4-x^3-7x^2+5x+10

By synthatic division

image

image

image

image

image

answered Feb 25, 2014 by david Expert
0 votes

Note :

If a function is f (x) = ax^(n) + bx^(n - 1) + cx^(n - 2) + ..............., then, it has "n" roots, where n is the degree of the function and n should be positive.

The function is F(x) = x^4 - x^3 - 7x^2 + 5x + 10.

Since, the function is a 4 rth degree polynomial,  it has four roots.

answered May 15, 2014 by lilly Expert

Related questions

...