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

asked Jun 13, 2022 39.1k views

7 votes

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14 votes

Answer:

9/2

Explanation:

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

Humberto answered Jun 14, 2022

3.2k points

3 votes

Answer:9/2 and -9/2

Explanation:

i just did it

Hlidotbe answered Jun 19, 2022

3.8k points

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