Vyřešte pro x: 2x + 5 = 15.

Řešení rovnic (s jednou neznámu, soustavy)

Quiz
•
Mathematics
•
9th Grade
•
Hard
Veronika Siváková
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0
10
5
7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaké je řešení rovnice: 3x - 7 = 2?
-2
1
3
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pokud 4x + 3 = 19, jaká je hodnota x?
2
4
5
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vyřešte soustavu rovnic: 2x + 3y = 12 a x - y = 1.
(1, 4)
(4, 0)
(3, 2)
(2, 3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najděte hodnoty x a y: 3x + 4y = 24 a 2x - y = 3.
x = 12, y = 6
x = 36/11, y = 39/11
x = 5, y = 3
x = 0, y = 6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Číslo zvýšené o 8 se rovná 20. Jaké je to číslo?
18
12
10
15
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pokud je součet dvou čísel 30 a jedno číslo je 12, jaké je druhé číslo?
18
15
20
25
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