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11-05-2018
Mathematics

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Solve for x. x3/2 − 8 = 0 A) x = 4 B) x = 8 C) x = −4 D) x = −8

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Аноним Аноним

11-05-2018

[tex]x^ \frac{3}{2} - 8 = 0[/tex]

[tex]x^ \frac{3}{2} = 8 [/tex]

[tex] \sqrt{x^3} = 8 [/tex]

[tex]x^3 = 64[/tex]

[tex]x = \sqrt[3]{64} [/tex]

[tex]x = 4[/tex]

Answer: x = 4 (Answer A)

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