Question

plz check my answers!!!!!!!!!!!!!!!!!!!!

Answer 1

1. Check all polynomials that are perfect square trinomials: (2 points)
9x2 − 6x + 1
36b2 − 24b + 8
16x2 + 24x + 9
4a2 − 10a + 25
2. Factor completely: x2 − 8x + 16 (1 point)
(x + 4)(x + 4)
(x − 4)(x − 4)
(x + 4)(x − 4)
(x − 2)(x − 8)
3. Factor completely: 16x2 + 40x + 25 (1 point)
(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? (1 point)
(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 (3 points)

Answer 2

1. A and c
2. B
3. c
4. c
5. 14

Answer 3

5 should be 28, not 14

Answer 4

the rest is right?

Answer 5

i am not that fast, hold on

Answer 6

1 is right

Answer 7

2 is right

Answer 8

3 should be D not C
\[16x^2+40x+25=(4x+5)(4x+5)\]

Answer 9

4 is right

Answer 10

thnk u!!!

Answer 11

yw