Неповні квадратні рівняння
Quiz
•
Mathematics
•
8th Grade
•
Hard
Лариса Гуйва
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Яке з рівнянь є неповним квадратним рівнянням?
2x² + 3x + 1 = 0
5x² - 7 = 0
x³ - 2x² + x = 0
x + 4 = 0
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Скільки коренів має рівняння виду ax² = 0, де a ≠ 0?
2
1
0
безліч
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Знайдіть корені рівняння x² - 9 = 0.
3
-3
3 та -3
коренів немає
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Яке з рівнянь не має коренів?
x² - 4 = 0
x² + 1 = 0
x² = 0
x² - x = 0
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Розв'яжіть рівняння 2x² + 8x = 0.
0 та 4
0 та -4
4 та -4
коренів немає
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Якщо в неповному квадратному рівнянні коефіцієнт c = 0, то один з коренів завжди дорівнює:
1
-1
0
2
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Знайдіть корені рівняння 3x² = 27
3
-3
3 та -3
9
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