Multiply.
-$( 2 a - 1 ) ^ { 2 }$
A) $4 a ^ { 2 } - 4 a + 1$
B) $2 a ^ { 2 } - 4 a + 1$
C) $4 a ^ { 2 } + 1$
D) $2 a ^ { 2 } + 1$

Name: Multiply. -$( 2 a - 1 ) ^ { 2 }$ A) $4 a ^ { 2 } - 4 a + 1$ B) $2 a ^ { 2 } - 4 a + 1$ C) $4 a ^ { 2 } + 1$ D) $2 a ^ { 2 } + 1$
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Question

Quizplus · Accepted Answer

When you square the binomial $(2a - 1)^2$, you use the formula $(a - b)^2 = a^2 - 2ab + b^2$, which results in $4a^2 - 4a + 1$.

Multiply - (2a−1)2( 2 a - 1 ) ^ { 2 }(2a−1)2

Multiply
- $( 2 a - 1 ) ^ { 2 }$