OMG this was such a help, it is even better that there are no spammers here, this is truly a fantastic video and a fantastic channel, thanks for the help.
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This channel deserves more views. Education should always be more popular then entertainment (unless education is entertainment for whoever is reading this.)
Great tutorial like always. Just wondering whether I'd be given all the marks if I forgot how to work out the minimum and just used differentiation instead?
Wow my teacher never even explained this to me and I thought that it's my fault that I didn't understand a thing. Clearly it was her fault. thanks for help.
yeah fuck a levels, you have to constantly be working in order to get high grades, its so pathetic, it rewards people who spend all their time revising
please help I'm really confused, for x^2 + 2x-8 you drew the minimum point at y=-8 as this fits for when x=0, but by completing the square, the turning point is -1,-9 not -1,-8 and I also checked on a graph plotter and the minimum is at -9. HELP please!!!
Please play the video back from 7:00 and you will see that I mention about a common mistake. I hope this will sort the problem out for you. You are correct in your thinking but you need to play the video back again to appreciate the point I was making. I hope it ends any confusion for you.
I am understanding more and more but, what I do not understand is how to find the factors and what are the graphing plots? When you do slope you have a plot... How do you find that
Katlynn Westbrooks Have you looked at these. It may help www.examsolutions.net/maths-revision/core-maths/algebra-and-functions/quadratics/factorising/intro.php
the medium cheese I am not sure if it is correct, but I believe it's because, if you solve for x (x+1=0), you get x=-1. Negative numbers go in the left direction on a number line, and that's why something like "f(x+1)" moves the parabola to the left.