
Метод подстановки
Authored by Альона Паназдир
Mathematics
1st - 12th Grade
Used 22+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выразите переменную у через переменную х в уравнении 6х + у = 8.
у = 4 - 3х
у = 6х - 8
у = 8 - 6х
у = 8 + 6х
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
С какого уравнения и какую переменную легче выразить, чтобы решить данную систему методом подстановки?
х с первого уравнения
у с первого равнения
х с второго уравнения
у с второго уравнения
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
у = - 4 +2х. Если х = 5, то у =...
6
-6
14
3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Выразите в уравнении 2х + 3у = - 7 переменную х через пременную у.
у = (-7 - 2х)/3
у = (-7 + 2х)/3
х = (-7 + 3у)/2
х = (-7 - 3у)/2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Решением данной системы уравнений является?
(3; 4)
(4; 3)
(6; 1)
(6; 5)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
В каком из приведенных ниже равенств правильно выполнена подстановка для решения
2(3у - 2) + 3у = 9
2х + 3(3у - 2) = 9
2(3у + 2) +3у = 9
2х + 3(3у + 2) = 9
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Решите систему уравнений.
(4; - 1)
(- 2; 3)
(3; 8)
(-3; 2)
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