Using Structure to Rewrite Expressions
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
What structure suggests factoring by grouping in a
4
4
4
-term polynomial?
QUESTION
What is the factoring pattern for a difference of squares
a
2
−
b
2
a^2-b^2
a
2
−
b
2
?
QUESTION
What is the factoring pattern for a perfect square trinomial
a
2
−
2
a
b
+
b
2
a^2-2ab+b^2
a
2
−
2
ab
+
b
2
?
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ANSWER
a
2
−
2
a
b
+
b
2
=
(
a
−
b
)
2
a^2-2ab+b^2=(a-b)^2
a
2
−
2
ab
+
b
2
=
(
a
−
b
)
2
. First term squared minus twice the product plus second term squared.
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