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.
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.
Would you not be required to express the answer in its simplest form?
*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 .