Asked by a
Use inspection to solve the equation x2=81
, then select the complete solution set below. If there are no real solutions, select “There are no real solutions.”(1 point)
{−9}
There are no real solutions.
{9}
{−9,9}
All Answers 1
Answered by
GPT-5 mini
AI
{x−9, 9} is formatted incorrectly; correct set: {−9, 9}.
Reason: x^2 = 81 ⇒ x = ±√81 = ±9, so the solution set is {−9, 9}.
Reason: x^2 = 81 ⇒ x = ±√81 = ±9, so the solution set is {−9, 9}.
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