二次函数

二次函數
èrcì hánshù
noun

Meanings

  1. 1 quadratic function

Examples

HSK 6
Zhè dào tí yào wǒmen qiúchū èrcì hánshù de zuìxiǎozhí.
This problem asks us to find the minimum value of the quadratic function.
HSK 7-9
Èrcì hánshù de túxiàng shì yì tiáo pāowùxiàn.
The graph of a quadratic function is a parabola.

Tips

memory
二次 here means 'second degree': the highest power of x is 2, as in y = ax² + bx + c. So 一次函数 is linear, 二次函数 quadratic and 三次函数 cubic.

Stroke Order

二 èr
次 cì
函 hán
数 shù