Factor the expression. $a ^ { 2 } - 4 a + 4$
A) $( a + 2 ) ( a + 2 )$
B) $( a - 2 ) ( a + 2 )$
C) $( a + 4 ) ( a + 1 )$
D) $( a - 2 ) ( a - 2 )$
E)prime

Name: Factor the expression. $a ^ { 2 } - 4 a + 4$ A) $( a + 2 ) ( a + 2 )$ B) $( a - 2 ) ( a + 2 )$ C) $( a + 4 ) ( a + 1 )$ D) $( a - 2 ) ( a - 2 )$ E)prime
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Question

Quizplus · Accepted Answer

The expression $a^2 - 4a + 4$ is a perfect square trinomial, factoring to $(a - 2)^2$ or $(a - 2)(a - 2)$.

Factor the Expression a2−4a+4a ^ { 2 } - 4 a + 4a2−4a+4

Factor the Expression $a ^ { 2 } - 4 a + 4$