SOLUTION: Verify that 2, -3, 4 are the zeroes the cubic polynomial p(x)=x^3-3x^2-10x+24. Also verify the relationship between the zeroes and the coefficient.

Algebra ->  Linear-equations -> SOLUTION: Verify that 2, -3, 4 are the zeroes the cubic polynomial p(x)=x^3-3x^2-10x+24. Also verify the relationship between the zeroes and the coefficient.       Log On


   

Question 763025: Verify that 2, -3, 4 are the zeroes the cubic polynomial p(x)=x^3-3x^2-10x+24. Also verify the relationship between the zeroes and the coefficient.
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Here's what we do:
Plug in the values 2, -3, 4 into the polynomial to see if it comes to zero, for example replace x with 2.
p(x)=x^3-3x^2-10x+24
p(x)=2^3-3(2)^2-10(2)+24
What do we get?
p(2)=8-12-20+24
p(2)=0
OK, so 2 works. Try the other numbers to see what you get.
RJ
www.math-unlock.com