Expansion of 2nd Algebraic Identity
Authored by Lin I Chen
Mathematics
9th Grade
Used 3+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Identify the algebraic identity: (x-y)2 = x2 - 2xy + y2
x2 - 2xy + y2
x2 + 2xy + y2
2xy - y2
x2 - y2
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Identify the algebraic identity: (a+b)2 = a2 + 2ab + b2
(a+b)2 = a2 + 2ab + b2
(a+b)2 = a2 - 2ab + b2
(a+b)2 = a2 + 2ab - b2
(a+b)2 = a2 + b2
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Verify the algebraic identity: (x-2y)2 = x2 - 4xy + 4y2
(x-2y)2 = x2 - 4xy + 8y3
(x-2y)2 = x2 - 4xy + 2y3
Yes, the algebraic identity is verified.
No
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Expand (2x-y)2
(2x-y)2 = 4x2 - 4xy + y2
(2x-y)2 = 4x2 + 4xy - y2
(2x-y)2 = 4x2 - 4xy - y2
(2x-y)2 = 4x2 + 4xy + y2
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Identify the algebraic identity: (m-n)2 = m2 - 2mn + n2
m2 - mn + n2
m2 + 2mn + n2
m2 - 2mn + n2
m2 - 2mn - n2
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
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