https://drive.google.com/drive/folders/0By5PGGgvJUsaWWUwVkhYb3RuWVU

I chose IMG-8190 video.

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Quadratic equations means an An equation where the highest exponent of the variable (usually “x”) is a square (2). So it will have something like x^{2}, but not x^{3} etc. A Quadratic Equation is usually written a**x ^{2}** + b

In my opinion quadratic formula is the best way to solve quadratic equations. because when we just factoring our equations, we can’t solve all of them. then when we solve with completing the square** **it takes so long time. but with quadratic formula we can solve all of quadratic equations easy, and fast.

If I Continue sharing substance on in half. I reach ‘Molecules’ the smallest unit of substance. And if I keep divide Molecules in many time, molecules are divided into ‘atomic’. Also keep divide atomic in many time than it divided by ‘electron’, ‘proton’ and ‘neutron’ . Than put neutrons and protons into particle accelerator, it divided by ‘quark’.

like this pattern when I keep divide pizza to half, after all we can’t see slice of pizza. But if we have technology and we can cut it that we can’t see, we should divide pizza in our whole life.

Moreover, if we say ‘I ate something’s half’, it means it left another half.

So in my opinion, there is no end of divide pizza.