1. Check all polynomials that are perfect square trinomials:
9x2 - 6x + 1
36b2 - 24b + 8
16x2 + 24x + 9
4a2 - 10a + 25
2. Factor completely: x2 - 8x + 16
(x + 4) (x + 4)
(x - 4) (x - 4)
(x + 4) (x - 4)
(x - 2) (x - 8)
3. Factor completely: 16x2 + 40x + 25
(4x - 5) (4x - 5)
(2x - 5) (2x - 5)
(2x + 5) (2x + 5)
(4x + 5) (4x + 5)
4. Rhett decides to build a square room for his movie and music collection. If the area of the room is 9x2 - 6x + 1 square feet, what is the length of one side of the room?
(3x + 1) feet
(9x - 1) feet
(3x - 1) feet
(9x + 1) feet
5. Given the following perfect square trinomial, fill in the missing term. (Do not type the variable in the blank.)
4x2 + ___x + 49
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