Rovnice

Rovnice

9th Grade

6 Qs

quiz-placeholder

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Rovnice

Rovnice

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Josef Sova

Used 9+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jaké je řešení této rovnice: 3 . (x + 2) = 9x

x = 0

x = 1

x = -1

x = -2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jaké je řešení této rovnice: 10x - 2 = 6x

x = 1

x = 0

x = 0,5

x = - 1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jaké je řešení této rovnice: 2x + y = 20

x = 8, y = 4

x = 10, y = -10

x = - 5, y = 20

x = 7, y = 7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vyjádření neznámé x z rovnice: x - 3y = y + 10

x = 4y + 10

x = -2y + 10

x = y + 10

x = 14y

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vyjádření neznámé x z rovnice: 2x - y = 5

x = (5 + y)/2

x = 5 - y

x = 10 + y

x = 5 + 1/2y

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vyjádření neznámé y z rovnice: x + 4y = 20

y = 20 - x

y = 20 - 4y

y = 5 - x/4

y = 5 + x/4