To solve the quadratic equation we have to use the quadratic formula.

要求解二， 我们必须使用二公式。

(Laughter) finding imaginary solutions to quadratic equations.

（笑声）寻找二的虚解。

Which you probably recognize as a quadratic equation.

你可能认为这是一个二。

Practice using the formula by solving quadratic equations.

通过求解二练习使用公式。

(bell rings) - So that's our refresher on the quadratic formula.

（铃响）- 这就是我们对二公式的复习。

Not even a quadratic basis to work with here.

甚找不出两个相同的动作。

As if my fellow mathlete here would have any questions about the quadratic formula.

- 好像我的数学家同学会对二公式有任何疑问。

And because of the way the quadratic formula works, we'll get 2 possible answers.

由于二公式的工作式， 我们将得到 2 个可能的答。

And you may even have learned a little bit about the quadratic equation.

您甚可能对二有所了解。

I guess you could call that simplifying, but ugh...that's like quadratic, I don't want to do that.

我想你可以称之为简化， 但是呃. . . . .

And we end up with this. Which you probably recognize as a quadratic equation.

我们最终得到了这个。 你可能认为这是一个二。

For example in Math: Suppose you are learning about a new mathematical concept, such as the quadratic formula.

例如在数学中：假设您正在学习一个新的数学概念，例如二公式。

" or " What are the different components of the quadratic formula and how do they relate to each other?

" 或 " 二公式的不同组成部分是什么，它们之间有什么关系？

I was able to reduce what I had to find from an eighth-degree polynomial to a quadratic, and from the quadratic, the golden ratio fell out.

我可以把我的答从八多项式简化成二，然后从二中得出黄金分割率。

That question about the plots of land can be written as one of the first equations with unknowns you probably ever heard of, the quadratic equation.

关于土地的问题可以写成最早的未知数之一，你可能听说过，二。

Set up a spaced repetition schedule: Day 1, Day 4, Day 11, Day 25, etc. Review and practice by solving various quadratic equations during each session.

设置一个间隔重复的时间表：第 1 天、第 4 天、第 11 天、第 25 天等。通过在每个会话期间求解各种二来复习和练习。

But on the third, a type to which it is ideally suited (quadratic unconstrained binary optimisation, since you ask), D-Wave's machine dominated, racing through the job around 3,600 times faster than the classical hardware.

但到了第三个题目（如果你一定要问是什么的话也不妨告诉你：无约束二进制最优化问题），D-ware的机器表现得更好，比一般硬件配置的电脑要快约3600倍。