For items 2-4, expand (2x-4)² and answer what is asked.
___2. What is last term?
a. 4x² b. -16 c. 16 d. - 4x²
___3. What is the middle term?
a. 8x b - 8x c. 16x d. -16x
___4. What is the first term?
a. 4x² b. - 4x² c. 2x² d. -2x²
____5. Which of the following is the expanded form of (x-5)²?
a. x²- 25
b. x² - 5x - 25
c. x²- 10x + 25
d. x² + 10x + 25
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