quadratic

• 与平方有关或类似平方的；在数学中，描述包含变量二次方的方程或函数。

Relating to or resembling a square; in mathematics, describing an equation or function involving the second power of a variable.

1. Relating to a squareB2formalscientific

   Of, relating to, or resembling a square in shape or form.

   方形的

   • The architect designed a quadratic courtyard in the center of the building.
   • The quadratic tiles formed a perfect grid pattern on the floor.
   • Ancient mathematicians studied quadratic shapes in geometry.

   同义词quadratesquaresquared

2. B2formalscientific

   Of or relating to the second power (square) in mathematics, especially in equations where the highest power of a variable is two.

   二次的

   • The students learned how to solve quadratic equations using the formula.
   • A quadratic function produces a parabolic curve when graphed.
   • The quadratic term in the expression is x squared.

• 二次的；指最高次为二次的多项式、方程或函数，如二次方程、二次函数等。

A noun referring to a polynomial of the second degree, or an equation in which the highest power of an unknown quantity is a square.

1. Quadratic equationB2formalscientific

   An equation in which the highest power of an unknown quantity is a square, typically expressed in the form ax² + bx + c = 0.

   二次方程

   • The student solved the quadratic using the quadratic formula.
   • A quadratic can have two real roots, one real root, or two complex roots.
   • Factoring is one method used to solve a simple quadratic.

   同义词quadratic equation

2. Quadratic polynomialB2formalscientific

   A polynomial of the second degree, meaning its highest exponent is 2.

   二次多项式

   • The function f(x) = x² + 3x - 5 is a quadratic.
   • Graphing a quadratic results in a parabola.
   • The coefficients of a quadratic determine the shape of its graph.