
Квадрат теңдеулер бойынша тест

Quiz
•
Mathematics
•
8th Grade
•
Easy
Janyl Esirkep
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Квадрат теңдеу дегеніміз не?
a² + b² + c² = 0
x² + bx + c = 0
ax + b = 0
ax² + bx + c = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ax² + bx + c = 0 теңдеуіндегі a, b, c қандай сандар?
a, b, c - кез келген нақты сандар.
a, b, c - тек оң сандар.
a, b, c - тек бүтін сандар.
a, b, c - тек теріс сандар.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Квадрат теңдеудің дискриминанты қалай табылады?
D = 4b - ac
D = 2b + 4ac
D = b^2 + 4ac
D = b^2 - 4ac
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дискриминанттың формуласы қандай?
D = b^2 + 4ac
D = b^2 - 2ac
D = b^2 - 4ac
D = 2b + 4ac
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Квадрат теңдеудің түбірлерін табу үшін қандай формуланы қолданамыз?
x1 = (-b + D) / (a), x2 = (-b - D) / (a)
x1 = (-b ± √D) / a, x2 = (-b ± √D) / a
x1 = (-b + √D) / (2a), x2 = (-b - √D) / (2a)
x1 = (b + √D) / (2a), x2 = (b - √D) / (2a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Квадрат теңдеудің графигі қандай пішінде болады?
Шеңбер
Парабола
Үшбұрыш
Түзу
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Квадрат теңдеудің түбірлері нақты болу үшін дискриминант қандай болуы керек?
Дискриминант D < 0 болуы керек.
Дискриминант D = 0 болуы керек.
Дискриминант D > 0 болуы керек.
Дискриминант D >= 0 болуы керек.
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