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}
how would you solve this step by step

Answer 1

9x^2 - 25 = 0
9x^2 = 25 (add 25 to both sides)
3x = ±5 (take the square root of both sides)
x = 5/3 or x = -5/3 (divide by 3)

Answer 2

\[x=\sqrt{25/9}\].....\[x=5/3\].....A

Answer 3

They could have just said "solve it" and that would have been fine.