Im pretty sure i know alot of them but im not sure and really want to check and compare answers

will pick best answer thanks!!!

1.
Solve using the square root method. x2 = 64
A) {8}
B) {-8, 8}
C) {-16, 16}
D) {16}
2.
Solve using the square root method. x2 - 16 = 0
A) {-8, 8}
B) {-4, 4}
C) {8}
D) {4}
3.
Solve using the square root method. 9x2 - 25 = 0
A) {-5/3, 5/3}
B) {-3/5, 3/5}
C) {-3, 5}
D) {-5, 3}
4.
Solve using the square root method. Round the solution to the nearest tenth. x2 - 20 = 0
A) {-10.0, 10.0}
B) {-5.5, 5.5}
C) {-3.5, 3.5}
D) {-4.5, 4.5}
5.
First factor the trinomial as a binomial square and then use the square root method to solve. x2 - 20x + 100 = 36
A) {-6, 6}
B) {-5/3, 5/3}
C) {6, 10}
D) {4, 16}
6.
First factor the trinomial as a binomial square and then use the square root method to solve. Round the solution to the nearest tenth. x2 - 14x + 49 = 3
A) {5.3, 8.7}
B) {4.8, 9.2}
C) {3.5, 7.5}
D) {6.2, 8.3}
7.
What number completes the square? x2 + 10x + ?
A) 10
B) 100
C) 20
D) 25
8.
What number completes the square? x2 - 18x + ?
A) 81
B) 64
C) 36
D) 324
9.
When solving this equation by completing the square, which of the following shows the equation with the square completed?

x2 - 4x - 32 = 0
A) (x - 4)2 = 36
B) (x - 2)2 = 36
C) (x - 8)2 = 4
10.
Solve by completing the square and then use the square root method to solve. x2 - 4x - 32 = 0
A) {-8, 4}
B) {-2, 16}
C) {-4, 8}
D) {-16, 2}