Võrrandi x + 5 = 4x - 1 lahend on

Lineaarvõrrand

Quiz
•
Mathematics
•
7th Grade
•
Medium
Piret Soa
Used 31+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-2
3
2
-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ava sulud 5(s + 9)= 3(3s +19)
5s + 45 = 9s + 57
5s +54 = 9s + 57
5s - 45 = 9s +57
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kui Sul võrrand, mille nimetajates on arvud 3 ja 5, siis tuleb esmalt võrrandit korrutada
5-ga
3-ga
10-ga
15-ga
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kahe järjestikuse täisarvu summa on 51. Leia need arvud.
24 ja 27
26 ja 25
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kuidas lahendad? Ema on isast 7 aastat noorem ja nende vanuste summa on 75 aastat.
Isa on x aastat vana, ema on x + 7 aastat vana. x + x + 7=75
Isa on x aastat vana, ema on x - 7 aastat vana. x + x - 7=75
Ema on x aastat vana, isa on x + 7 aastat vana. x + x + 7=75
Ema on x aastat vana, isa on x - 7 aastat vana. x + x - 7=75
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Võrrandile lahendi leidmine on võrrandi
kontrollimine
lahendamine
poolte vahetamine
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kas väide, et võrrandi pooli võib vahetada on
väär
õige
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