Determine whether the following is a trinomial square.
-$$x ^ { 2 } - 8 x + 64$$

Name: Determine whether the following is a trinomial square. -\[x ^ { 2 } - 8 x + 64\]
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Question

Quizplus · Accepted Answer

A trinomial square has the form $ (a - b)^2 = a^2 - 2ab + b^2 $. Here, $x^2 - 8x + 64$ does not fit this form because $64$ is not the square of half of the coefficient of $x$ (which would be $16$).

Determine Whether the Following Is a Trinomial Square x2−8x+64x ^ { 2 } - 8 x + 64x2−8x+64

Determine Whether the Following Is a Trinomial Square $x ^ { 2 } - 8 x + 64$