
Устный счет. СЛУ.
Authored by Татьяна Стрелкова
Mathematics
6th - 7th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите линейное уравнение с двумя переменными:
2х+4у2 = 20
ху+6 = 26
(х+4)(у-3) = 5
3х-у = 18
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Найдите решение уравнения 2х+3у =2:
(-5;-4)
(5;-4)
(-5;4)
(5;4)
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выразите переменную х через переменную у из уравнения 5у -2х = -15:
х = -15-5у
х = 2,5у+7,5
х = -2,5у+7,5
х = 2,5у-7,5
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Абсцисса точки, принадлежащей графику уравнения 2х-3у =-7, равна 4. Найдите ординату этой точки.
5
-5
4
0
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Пара чисел (-4;-1) является решением уравнения ах+3у-5= 0, если а равно:
2
0,5
-2
0
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Решением системы служит пара:
(-4;3)
(4; -3)
(-3; 4)
(3;-4)
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выясните, сколько решений имеет система:
единственное
бесконечно много
ни одного
два
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