
Identities of perfect square
Authored by Teacher 徐琪琪
Mathematics
8th Grade
Used 7+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Expand ( x + 2)2.
x2 + 22
x2 + 2x +2
x2 + 4x +2
x2 + 4x +4
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Expand (x−4)2.
x2 −8x+16
x2 −8x−16
x2 +8x+16
x2 −16
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Expand (2x + 1)2.
4x2 +4x +1
4x2 +1
4x2 +2x +1
4x2 +4x +2
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Expand (3x − 5)2.
9x2 − 30x +25
9x2 − 30x −25
3x2 − 30x −25
3x2 + 30x −25
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
none of these
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
(p - q)2
p2 + 2pq + q2
p2 + 2pq - q2
p2 - 2pq - q2
p2 - 2pq + q2
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