Rovnice a soustavy

Rovnice a soustavy

9th Grade

15 Qs

quiz-placeholder

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Rovnice a soustavy

Rovnice a soustavy

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Ludmila Čoupková

Used 4+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Dosaď číslo za ⊙, aby platila rovnost.
3 x 8 + 4 = 24 : ⊙ + 20

2
4
3
5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dosaď číslo za ⊙, aby platila rovnost.
9 x (8 - 6) = ⊙ x 5 + 3 - 20

7
6
8
9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Čím je potřeba vynásobit uvedenou rovnici, abychom u neznámé x získali číslo 8?


2x - 5y = 6

4

-4

2

-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Máme rovnici:


x - 9y = 27


Jaký tvar bude mít rovnice, když za neznámou y dosadíme číslo 5?

x - 95 = 27

x - 5 = 27

x - 9 . 5 = 27

5 - 9 = 27

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Do uvedené rovncie dosaď za neznámou x číslo 6 a vypočítej, jaké hodnotě se rovná neznámá y.


-3x + 5y = 27

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jakou rovnici získáme, když sečteme uvedené rovnice?


-10x + 4y = 15

10x - 2y = -10

4y - 2y = 15 - 10

4y = 15

6y = 15

4y - (-2y) = 15 + 10

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Vyřeš soustavu rovnic:

x + y = 1

2x - 3y = 12

x = 3

y = -2

x = 2

y = -4

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