home > q&a board > algebra thru pre-calculus > topic: algerbra review

Q BgQuestion:

Rookie
Karma Points: 2
Respect (98%):
posted by  SmallFry on 1/17/2008 7:04:57 PM  |  status: Closed  

Algerbra Review

Course Textbook Chapter Problem
Algebra N/A N/A N/A
Question Details:
 Factor x2-6x+3

The Hint given is:  If x1 and x2 are the zeros of f(x) = ax2+bx+c, then f(x)=[a(x-x1)(x-x2)]

AAnswers:

Answer Question
Oracle
Karma Points: 7,519
posted by RPGillespie on 1/17/2008 7:12:33 PM  |  status: Live
flagged for abuse(1)
Asker's Rating: Lifesaver   
SmallFry's comment:
"Wow, thanks so much huge help!"
Response Details:
We have:



So, first we solve for the zeros.
If we use the quadratic formula, we have:


                                                                 

Now that we have the zeros, then we use the hint above:

       


Edit:
Be warned, the person below me is incorrect.
 
Was my answer helpful? Don't be shy to rate lifesaver! It'll just want to make me want to answer your future questions!
Tags: Math, Algebra
Oracle
Karma Points: 8,254
posted by Black Mamba on 1/17/2008 7:15:22 PM  |  status: Live
Asker's Rating: Somewhat Helpful   
SmallFry's comment:
"Helpful but wrong answers"
Response Details:
x = -(-6) ± √(62 - 4(1)(3)    = 6 ± √24    = 3 ± √24 are you factors
                2(1)                              2

(x - (3 + √24))(x - ( 3 - √24))
Kobe says I'm a Lifesava?
Tags: Math, Algebra
Answer Question
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different than tutoring »

Need Help In

Useful Links