
ruutude vahe valem
Authored by Aave Kark
Mathematics
8th Grade
Used 35+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x+y)(y-x)
y2- x2
x2 - y2
x2 + y2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
( a+ 4) (a - 4)
a2 - 16
a - 16
16 - a
16 - a2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(7- k)(k+7)
49 - k2
k2 - 49
49 - k
49 - x2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(m + 5n)(m-5n)
m2 - 25n2
m2 - 25n
n2 - 25m2
m - 25n
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(8a + ab)(8a - ab)
64a2 - a2b2
16a2 - a2b2
64a - a2b2
a2b2 - 64a2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(11 - 2x)(2x + 11)
121 - 4x2
121 - 4x
112 - 2x2
22 - 4x2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a - 0,1)(a+ 0,1)
a2 - 0,01
a2 - 0,1
a2 - 0,02
a - 0,01
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