Теорема Виета
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Что такое теорема Виета?
Back
Теорема Виета связывает коэффициенты многочлена с его корнями. Для квадратного уравнения ax² + bx + c = 0, сумма корней равна -b/a, а произведение корней равно c/a.
2.
FLASHCARD QUESTION
Front
Каковы корни уравнения x² - 13x + 36 = 0?
Back
4 и 9.
3.
FLASHCARD QUESTION
Front
Каковы корни уравнения x² - 16x - 36 = 0?
Back
-2 и 18.
4.
FLASHCARD QUESTION
Front
Каковы корни уравнения x² - 11x + 24 = 0?
Back
3 и 8.
5.
FLASHCARD QUESTION
Front
Каковы корни уравнения -2x² - 100 - 54x = 0?
Back
-2 и -25.
6.
FLASHCARD QUESTION
Front
Как найти сумму корней квадратного уравнения?
Back
Сумма корней равна -b/a, где b - коэффициент при x.
7.
FLASHCARD QUESTION
Front
Как найти произведение корней квадратного уравнения?
Back
Произведение корней равно c/a, где c - свободный член.
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