Многочлены 7 класс

Quiz
•
Mathematics
•
7th Grade
•
Medium
Alikhan Tursyn
Used 10+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Раскройте скобки и приведите подобные слагаемые: 5у - (у+4)
3y-2
4y-4
4y-3
2y+3
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростите выражение: -10х + 8ху - 4( х +3ху)
-10x+8xy
-14x-4xy
14x+4xy
x+3xy
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростите выражение: -12х + 3ху - 2( х +3ху)
12x+3xy
-10x-3xy
x+3xy
-14x-3xy
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростите выражение (6a - 7b)+ (2a-3b) + (8a-6b).
12a+12b
12a-12b
10a-7b
16a-16b
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростите выражение 3y(y-1)-4y(5y+4) и найдите его значение при y=-1 .
2
-2
36
-36
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростите выражение 2a(a-2b)-b(a-b)-b(b-1) и найдите его значение при a = -0.5; b = -0.4 .
-0,7
-0,5
-0,4
-0,2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростите выражение (7b-3)- (b+6)-(5b-11) и найдите его значение при . b = 243.8
441,2
454
245,8
145,8
8.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Найдите корень уравнения 30 + 5(3х - 1) = 35х - 25
-2
2
2,5
-2,5
9.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Найдите корень уравнения 10х - 62 = 6(8х + 3) - 6х
-2,5
2,5
5,2
-5,2
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