Question

Which of the following are solutions to the equation below? check all that apply 4x^2-81=0

Answer 1

9/2

Explanation:

`4 {x}^(2) = 81 \\ {x}^(2) = (81)/(4) \\ x = ( √(81) )/( √(4) ) \\ x = (9)/(2)`

Answer 2

Answer:9/2 and -9/2

Explanation:

i just did it