Ühe tundmatuga lineaarvõrrandi lahendamine

Ühe tundmatuga lineaarvõrrandi lahendamine

7th Grade

10 Qs

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Ühe tundmatuga lineaarvõrrandi lahendamine

Ühe tundmatuga lineaarvõrrandi lahendamine

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Talvi Kaja

Used 32+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Mis on võrrandi –7x = 8 lahendiks?
 x = –7/8
 x = 7/8
 x = –8/7
x = 8/7

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Kui arvule u liita tema kolmekordne ja summa on 8, siis saame võrrandi
u + 3 = 8
u + 3u = 8
u + u/3 = 8
Ükski neist pole õige võrrand.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Missuguse võrrandi lahendiks sobib arv (–0,5)?
 –4x + 2 = 0
v + 2 = 3
–7t = –14
4x + 2 = 0

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Missugused arvudest –7; 0; 3; ja 19 sobivad võrrandi 0 · m = 0 lahenditeks?
Ainult 0
Mitte ükski
Kõik need lahendid
Ainult 3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Kas leidub viis järjestikust täisarvu, mille summa on null?
 Need arvud on –1; 0; 1; 2 ja 3
 Jah, need on –2; –1; 0; 1 ja 2
 Need arvud on –2,5; –1,5; –0,5; 0,5 ja 1,5
 Need arvud on 1; 2; 3; 4 ja 5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Missugused arvudest –7; 0; 3; 11 ja 19 sobivad võrrandi 0 · m = 5 lahenditeks?
Ainult 11
Mitte ükski ei sobi
 Ainult 5
Kõik need arvud

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Koosta antud lause järgi võrrand:
arvust 45 lahutati arv x ja saadi arvu x kolmekordne
 45 – x = 3x
45 – x = 3 – x
x – 45 = 3x
45 – x = 3 + x

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