SOLUTION: Find all real solutions: x^(2) = 81 A) {9} B) {–9} C) {–9, 9} D) Null

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Question 205811: Find all real solutions: x^(2) = 81
A) {9}
B) {–9}
C) {–9, 9}
D) Null
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^(2) = 81=(9*9)=(-9*-9) ans, c)