
Неполные квадратные уравнения

Quiz
•
Mathematics
•
8th Grade
•
Medium
Наталья Леденева
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое уравнение имеет вид ax² + bx + c = 0, где a, b, c - коэффициенты?
Линейное уравнение
Квадратное уравнение.
Алгебраическое уравнение
Кубическое уравнение
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как выглядит стандартная форма неполного квадратного уравнения, если отсутствует второй коэффициент?
ax^2 + bx = 0
ax^2 + c = 0
ax^2 + bx + c = 0
a^2x + c = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как найти корни уравнения вида ax² = 0?
x = 0
x = 1
x = -1
x = a
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как решить уравнение вида x² + cx = 0?
x = 0 и x = -c (при c ≠ 0)
x = 0 и x = c (при c = 0)
x = -c/2 (при c ≠ 0)
x = c/2 (при c = 0)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое значение x удовлетворяет уравнению bx² + d = 0?
x = ±d
x = -d/b
x = √(d/b)
x = ±√(-d/b) при -d/b > 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько корней может иметь уравнение ax² + c = 0, если c > 0?
бесконечно много
1
0
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое условие должно выполняться для того, чтобы уравнение ax² + bx = 0 имело два различных корня?
a = 0 и b = 0
a ≠ 0 и b ≠ 0
a = 0 и b ≠ 0
a ≠ 0 и b = 0
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