If anybody could help, I have a math exam tomorrow, and I'm working on the review...but I've been having alot of trouble. Usually I can figure this stuff out by studying my notes...but I'm at a loss. Any help would be appreciated. The first three are problems that I don't understand, the rest are ones that I've completed, but I'm not sure if they're right.
1.
2. Solve by quadratic formula:
3. Solve by completing the square:
And the ones that I've completed, but not sure if they're right...I would appreciate if you could check these out.
1.
I got:
2.
I got:
3.
I got:
Would you not be required to express the answer in its simplest form?
i.e.
Thanks
*edit - Actually is the question supposed to be ? Because then the answer would be . The above would be the answer to . As it's written the question looks like which .