1.) Which of the following expressions is the difference of two terms?
a. x² - 2y²
b. x³ - y³
c. x² - 8
d. x² - 16

2.) Which of the following is a perfect square trinomial?
a. x² + 2x + 9
b. x² + 6x - 9
c. x² - 6x - 9
d. x² - 6x + 9

3.) Which trinomial is a factor of x³ - 8?
a. x² - 2x + 4
b. x² + 4x + 4
c. x² + 2x + 4
d. x² - 4x + 4

4.) Which of the following is a factor of 2x² - 7x - 9?
a. 2x + 9
b. x - 1
c. 2x - 9
d. x - 3

5.) The area of a square is (4x² + 20x +25) sq.cm. Its side is _____
a. 2x + 5
b. 2x -5
c. x + 5
d. x - 5

Nonsense=reported​