Factor the polynomial. $$z ^ { 2 } + 6 z + 9$$
A) $( z - 3 ) ^ { 2 }$
B) $( z + 3 ) ^ { 2 }$
C) $( z + 3 ) ( z - 3 )$
D) $( z + 3 ) ( z + 3 )$
E)none of these

Name: Factor the polynomial. \[z ^ { 2 } + 6 z + 9\] A) $( z - 3 ) ^ { 2 }$ B) $( z + 3 ) ^ { 2 }$ C) $( z + 3 ) ( z - 3 )$ D) $( z + 3 ) ( z + 3 )$ E)none of these
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Question

Quizplus · Accepted Answer

This polynomial is a perfect square trinomial, factoring into $(z + 3)^2$, because $z^2 + 6z + 9 = (z + 3)(z + 3)$.

Factor the Polynomial z2+6z+9z ^ { 2 } + 6 z + 9z2+6z+9

Factor the Polynomial $z ^ { 2 } + 6 z + 9$