英语词汇“quadratic formula”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	quadratic formula
释义	quadratic formula quadratic formula n. The formula x = [-b ± √(b² - 4ac)]/2a, used to compute the roots of a quadratic equation. quadratic formula quadratic formula [kwä′drad·ik ′fȯr·myə·lə] (mathematics) A formula giving the roots of a quadratic equation in terms of the coefficients; for the equation ax ²+ bx + c = 0, the roots are x = (-b ± √(b ²- 4 ac)/2 a.
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