IM3 Module 1 Quadratic Functions Vocabulary

Front

average rate of change

Back

平均变化率 (píng jūn biàn huà lǜ) - The change in the value of a quantity divided by the elapsed time.

Front

axis of symmetry

Back

对称轴 (duì chèn zhóu) - A line that divides a figure into two parts that are mirror images.

Front

completing the square

Back

补全平方 (bǔ quán píng fāng) - A technique used to convert a quadratic expression into a perfect square trinomial.

Front

complex conjugates

Back

复数共轭 (fù shù gòng è) - A pair of complex numbers that have the same real part and imaginary parts with equal magnitude but opposite signs.

Front

complex number

Back

复数 (fù shù) - A number that can be expressed in the form a + bi, where a and b are real numbers, and i is the imaginary unit.

Front

difference of squares

Back

平方差 (píng fāng chā) - A squared number subtracted from another squared number.

Front

discriminant

Back

判别式 (pàn bié shì) - A value that can be calculated from the coefficients of a quadratic equation to determine the nature of its roots.

Front

factored form

Back

因式分解形式 (yīn shì fēn jiě xíng shì) - A representation of an expression as a product of its factors.

Front

imaginary unit i

Back

虚数单位 i (xū shù dān wèi i) - The imaginary unit, which satisfies i² = -1.

Front

maximum

Back

最大值 (zuì dà zhí) - The largest value of a function or set of data.