Which are solutions of the equation x2 – 16 = 0? Check all that apply.x = –8x = –4x = –2x = 2x = 4x = 8

Set x² − 16 = 0 equal to zero by adding 16: x² = 16. Taking the square root gives x = −4 or x = 4, since both numbers square to 16. The correct choices are x = −4 and x = 4.

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