(2x + 5y)2 =
8. klass KORDAMINE
8th Grade
•25 Qs
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8. klass KORDAMINE
Quiz
•
Mathematics
•
8th Grade
•
Hard
Kairi Proov
Used 30+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4x2 + 20xy + 25y2
4x2 + 10xy + 25y2
4x2 + 25y2
4x2 + 14xy + 25y2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(a - 6)2 =
a2 - 12a + 36
a2 - 6a + 36
a2 - 36
2a2 - 14a + 36
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(2a + 5)(5 - 2a) =
4a2 - 25
25 - 4a2
4a2 + 25
4a2 - 20a + 25
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
-5x(x - 2y) =
-5x2 + 10xy
-4x - 10xy
-5x2 - 10xy
5x2y
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6a2b5(3ab3 - 5b) =
18a3b8 - 30a2b6
18a2b8 - 30a2b5
18a3b8 + 30a2b6
-12a3b7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(6x8y + 8x5y2) : 2x5y =
3x3 + 4y
3x3y + 4xy
7x8y2
3x8y + 4x5y2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tegurda.
1 - 16k2 =
(1 - 4k)(1 + 4k)
(1 + 4k)(4k - 1)
1 - 4k
4k(1 - k)
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