Lineāru vienādojumu īpašības un sakņu skaits

Quiz
•
Mathematics
•
7th Grade
•
Hard

Vija Paisuma
Used 17+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Cik atrisinājumu ir vienādojumam
3 x + 9 = 3 ( x + 3 ) ?
Viens atrisinājums
Bezgalīgi daudz atrisinājumu
Nav atrisinājumu
2.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
vienādojums ir ekvivalents vienādojumam
12 x = 10
3 x + 4 = 10
15 x = 8
3 x + 5 = 8
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Zināms, ka 2 x + 5 = 5. Aprēķini izteiksmes 2 x + 5 - 7 vērtību
- 2
2
5
- 5
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
vienādojums ir ekvivalents vienādojumam
2 ( 2a - 3 ) = 5 ( 3 - a )
5 ( 2a - 3 ) = 2 ( 3 - a )
4a - 3 = 15 - 5a
4a - 6 = 15 - 5a
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cik sakņu ir vienādojumama 7x - 6 = 6x - 6
viena sakne
bezgalīgi daudz sakņu
nav atrisinājuma
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Atrisini vienādojumu 6x + 3x - 5 = 10 + 9x - 15
x = 0
atrisinājumu ir bezgalīgi daudz
vienādojumam nav atrisinājuma
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Vienādojums 4x = - 12 ir ekvivalents ar vienādojumu
4x - 12 = 0
- 12 : 4 = x
-12x = 4
x = 4 : (-12)
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