Question

Which is a factor of x^2-11x+24
A. x+3 B.x-3 C.x+4 D.x-4

Answer 1

\[x^2-11x+24=(x-3)(x-8)\]

Answer 2

Do you know how to factorize?

Answer 3

I little

Answer 4

if you have something in the form of x^2+bx+c: you find the factors of c that add up to be b

Answer 5

rocktunegirl, if you go to this website, http://www.khanacademy.org/, and look up "factoring trinomials", it may help.

Answer 6

There are a number of methods you can use.

Answer 7

something like ax^2+bx+c: little more complicated, but still fun: find factors of a*c that up to be b and replace middle term with whatever this is and factor by grouping