
Nepilnie kvadrātvienādojumi PD
Authored by Inga Melngaile
Mathematics
8th Grade
Used 22+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2=81
x1= 0; x2 = 9
x1= 9
x1= -9; x2 = 9
x1= 81
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6x2−24=0
Atceries, ko teica skolotāja , nezināmo pārnes uz kreiso pusi, skaitli uz labo. Pārnesot neaizmirsti mainīt zīmi.
x1 = 4; x2 = -4
x1 = 2; x2 = -2
x1 = 0; x2 = -2
x1 = 2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2x2−4x=0
Man jau liekas, ka kopīgais jāiznes pirms iekavām.
x1 = 0; x2 = 2
x1 = 0
x1 = 0; x2 = 4
x1 = 0; x2 = -2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
x2 – 10x + 25 = 0
Vai tikai tā nav formula?
x = 5
x1 = 5; x2 = 0
x = -5
x1 = -5; x2 = 0
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
x2=2x
Nezināmie jāpārnes uz kreiso pusi, kas paliks labajā? Kā pieraksta "neko" matemātikā?!
Piemērs nav viegls, jo vēl jāiznes kopīgais pirms iekavām.
x1= 0; x2 = 2
x= 0
x1= 0; x2 = -2
x = 2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
8x2+32x=0
Man liekas tu zināsi kas jādara!
x1 = 0; x2 = -4
x = 0
x1 = 0; x2 = 4
x1 = 2; x2 = -2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3x2−27x=0
Atkal tas kopīgais jāiznes pirms iekavām.
x1 = 0; x2 = 9
x1 = 0; x2 = -9
x = 9
x = 0
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