Multiply by using the rule for the square of a binomial.
-$$( 3 x + 4 ) ^ { 2 }$$
A) $3 x ^ { 2 } + 16$
B) $9 x ^ { 2 } + 16$
C) $3 x ^ { 2 } + 24 x + 16$
D) $9 x ^ { 2 } + 24 x + 16$

Name: Multiply by using the rule for the square of a binomial. -\[( 3 x + 4 ) ^ { 2 }\] A) $3 x ^ { 2 } + 16$ B) $9 x ^ { 2 } + 16$ C) $3 x ^ { 2 } + 24 x + 16$ D) $9 x ^ { 2 } + 24 x + 16$
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Question

Quizplus · Accepted Answer

The rule for the square of a binomial $(a + b)^2 = a^2 + 2ab + b^2$ applied to $(3x + 4)^2$ gives $9x^2 + 24x + 16$.

Multiply by Using the Rule for the Square of a Binomial