I need some help people! I find determine vertex of parabola really difficult . I have tried finding a tutor for the subject, but couldn’t find any in my locality . The ones available are far and costly .

Hello friend , determine vertex of parabola can be really tough if your concepts are not clear. I know this tool , Algebrator which has helped a lot of amateurs clarify their concepts. I have used this software a couple of times when I was in high school and I recommend it to every novice .