SAT, 12.07.2019 15:00 grahuntley31

If x=9 is a solution of the equation x² -a=0, which of the following is a solution of x^4 - a=0? a: -81 b: -3 c: 0 d: 9 e: 81

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If x=9 is a solution of the equation x² -a=0, which of the following is a solution of x^4 - a=0? a:...