
Квадрат теңдеулер (8 сынып)

Flashcard
•
Mathematics
•
KG
•
Hard
Жансулу Жусупова
FREE Resource
Student preview

13 questions
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1.
FLASHCARD QUESTION
Front
Квадрат теңдеу анықтамасы
Back
Квадрат теңдеу — бұл жалпы түрі: ax^2 + bx + c = 0, мұндағы a ≠ 0, b, c — нақты сандар, a — квадрат мүшесінің коэффициенті.
2.
FLASHCARD QUESTION
Front
Квадрат теңдеуді шешу әдістері
Back
1. Толық квадратқа келтіру: (x + p)^2 = q түріне келтіру. 2. Дискриминант әдісі: D = b^2 - 4ac. 3. Виет теоремасы: x_1 + x_2 = -b/a, x_1 * x_2 = c/a.
3.
FLASHCARD QUESTION
Front
Дискриминант әдісінің формуласы
Back
D = b^2 - 4ac.
4.
FLASHCARD QUESTION
Front
Дискриминант D > 0 болғанда не болады?
Back
Екі түбір болады: x_1 = (-b + √D)/(2a), x_2 = (-b - √D)/(2a).
5.
FLASHCARD QUESTION
Front
Дискриминант D = 0 болғанда не болады?
Back
Бір түбір: x = -b/(2a).
6.
FLASHCARD QUESTION
Front
Дискриминант D < 0 болғанда не болады?
Back
Нақты түбірлер жоқ.
7.
FLASHCARD QUESTION
Front
Виет теоремасының формулалары
Back
Егер теңдеудің түбірлері бар болса: x_1 + x_2 = -b/a, x_1 * x_2 = c/a.
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