Дұрыс емес теңдікті анықтаңдар:

7 А сынып

Quiz
•
Mathematics
•
7th Grade
•
Medium
Zhanerke Baigabylova
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(3b-c)(3b+c)=9b²-c²
(x+4)(4-x)=16-x²
36n²-49=(6n+7)(7-6n)
y⁴-25=(y²-5)(y²+5)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x-ті қандай бірмүшемен алмастырғанда n²+ x + 0,04 өрнегі екімүшенің квадраты болады?
0,2n және -0,2n;
4n және -4n;
2n және -2n;
0,4 және -0,4.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дұрыс теңдікті анықтаңдар:
(3+a²)²=9+3a+a²
(k-5)²=k²-10k+10
(x+2y²)²=x²+4xy²+4y²
16a⁴-24a²b+9b²=(8a²-3b)²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Айырымның квадраты шығатын етіп 0,25a²-*ab+9b² өрнегіндегі жұлдызшаның орнына сан қойыңдар.
1,5;
-1,5;
3;
-3.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5x³-125x=0 теңдеуін шешіңдер.
0,5
-5
0
-5;0;5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Екі мүшенің айырымының квадраты шығу үшін m²+2*+0,04 өрнегіндегі жұлдызшаның орнына бір мүше қойыңдар.
0,1m немесе -0,1m
0,2m
-0,2m
0,2m немесе -0,2m
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
18³-7³/18²+18x7+7² өрнегін есептеңіз
3218
1321
11
3125
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