quadratic background

quadratic

/kwɑˈdrætɪk/ /kwɒˈdrætɪk/

Illustration quadratic - Image 1

noun

二次多项式，二次函数，二次方程

A quadratic polynomial, function or equation.

Examples :

"The math test included a section on quadratics, and I needed to remember the quadratic formula to solve the problems. "

这次数学考试有一部分是关于二次多项式/函数/方程的，我需要记住二次公式才能解题。

Illustration quadratic - Image 1

adjective

二次的，正方形的

Examples :

"The farmer planted his corn in a quadratic pattern to make efficient use of the field's square shape. "

农民按照正方形的模式种植玉米，以便有效地利用这块方形田地。

Illustration quadratic - Image 1

adjective

二次的，平方的。

Of a polynomial, involving the second power (square) of a variable but no higher powers, as ax^2 + bx + c.

Examples :

"The math teacher explained how to solve a quadratic equation, which always includes a term with x squared. "

数学老师解释了如何解二次方程，二次方程总是包含一个x的平方项。

Illustration quadratic - Image 1

adjective

二次的，平方的

Of an equation, of the form ax^2 + bx + c = 0.

Examples :

"The math problem on the homework was a quadratic equation, involving a variable squared. "

家庭作业上的那道数学题是个二次方程，包含一个变量的平方项。

Illustration quadratic - Image 1

adjective

二次的，平方的

Of a function, of the form y = ax^2 + bx + c .

Examples :

"The student learned how to solve a quadratic equation in her math class, which involved finding the values of 'x' that made the expression ax² + bx + c equal to zero. "

学生在数学课上学习了如何解二次方程，也就是找到使表达式ax² + bx + c 等于零的'x'值。