Question

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}

Answer 1

i got B.

Answer 2

a^2 - b^2 =)a-b)(a+b)

9x2 - 25 = 0
(3x-5)(3x+5) =0

x=5/3 or x=-5/3

Answer 3

A

Answer 4

I had it backwards i think :/