Answer:
b is not the product of 2 times the product of the roots because:
Step-by-step explanation:
The initial expression is:
25x² - 4x + 16
It is a trinomial because it has three terms: 25x², - 4x, and 16.
Additionally, the 1st and 3rd term are perfect squares because:
![\begin{gathered} \sqrt[]{25x^2}=5x^{} \\ \sqrt[]{16}=4 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/op3nhm0xmk861ukrr936k6kx9ltnx6brd2.png)
Finally, the only correct statement is that b is not the product of 2 times the product of the roots because:

Therefore, the answer is: b is not the product of 2 times the product of the roots because: