ok so im doing my review for the exam coming up and i stumbled on this question that i never did figure our, can anyone help me with it?

Question: http://i46.photobucket.com/albums/f1...9/untitled.jpg

Printable View

- Jan 22nd 2008, 02:03 PMzarlock99Help with review
ok so im doing my review for the exam coming up and i stumbled on this question that i never did figure our, can anyone help me with it?

Question: http://i46.photobucket.com/albums/f1...9/untitled.jpg - Jan 22nd 2008, 02:13 PMa tutor
sub in x=2 and solve to find k

Once you've got k factorise the cubic to get (x-2)(some quadratic)=0 and then solve the quadratic. - Jan 22nd 2008, 02:40 PMzarlock99k
well how do u factor the cubic function, do u use quadratic formula? Sry i just completely forget.

- Jan 22nd 2008, 02:54 PMa tutor
You could divide the cubic by x-2.

- Jan 22nd 2008, 03:07 PMzarlock99alright
nvm i figured it out, thanks for the help