Какие уравнения являются квадратными
Квадратные уравнения
8th Grade
•23 Qs
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Квадратные уравнения
Quiz
•
Mathematics
•
8th Grade
•
Hard
Аnastasiya Morozova
Used 9+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
3х2 - 5х + 5 = 0
х2 - 5х3 + 5 = 7х
25 = х2
7х2 + 4х - 2 = 5х + 7х2
6х - 4х2 = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В уравнении 2х2 - х + 1 = 0 назовите второй коэффициент
1
х
2
-1
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Среди уравнений укажите неполные квадратные
5х - 3 = х2
х2 + 100 = 0
2х - 7 = 0
3х2 + 5х = 0
х2 = 25
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Решите уравнение х2 - 16х = 0
16
0
16 или 0
4 или - 4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Решите уравнение х2 - 36 = 0
36
6 или -6
6
-6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое уравнение является полным квадратным уравнением?
ах2 + bх + с = 0
ах + b = 0
bx +c = 0
bx = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дискриминант квадратного уравнения можно вычислить по формуле...
D = -b2-4ac
D = b2-4ac
D = b2+ 4ac
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