Pickle

Mathematics

2 August, 08:28

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