B. The answer is incorrect; the minus sign should be a plus sign.

Here's why:

The trinomial x^2 - 16x + 64 can be factored as (x - 8)(x - 8) or (x - 8)^2, not (x - 8)(x + 8).

The student seems to have confused this with the difference of squares factoring rule, which states that a^2 - b^2 = (a - b)(a + b). However, this rule doesn't apply here because we have a positive 64 (the square of 8), not a negative one.

Question

B. The answer is incorrect; the minus sign should be a plus sign.

Here's why:

The trinomial x^2 - 16x + 64 can be factored as (x - 8)(x - 8) or (x - 8)^2, not (x - 8)(x + 8).

The student seems to have confused this with the difference of squares factoring rule, which states that a^2 - b^2 = (a - b)(a + b). However, this rule doesn't apply here because we have a positive 64 (the square of 8), not a negative one.

Knowee AI · Accepted Answer

B. The answer is incorrect; the minus sign should be a plus sign.

Here's why:

The trinomial x^2 - 16x + 64 can be factored as (x - 8)(x - 8) or (x - 8)^2, not (x - 8)(x + 8).

The student seems to have confused this with the difference of squares factoring rule, which states that a^2 - b^2 = (a - b)(a + b). However, this rule doesn't apply here because we have a positive 64 (the square of 8), not a negative one.

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