Ask Question
3 October, 13:27

Find the solutions to the equation below check all that apply

9x^2-81=0

A. x=9

B. x=1

C. x=-9

D. x=-3

E. x=3

F. x=-81

+2
Answers (1)
  1. 3 October, 15:03
    0
    9x^2-81=0

    add 81 to each side

    9x^2 = 81

    divide by 9

    x^2 = 9

    take the square root of each side

    x = + - sqrt (9)

    x=+3,-3

    Choices D, E
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Find the solutions to the equation below check all that apply 9x^2-81=0 A. x=9 B. x=1 C. x=-9 D. x=-3 E. x=3 F. x=-81 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers