Describe the Error $\sqrt { - 8 } \sqrt { - 8 } = \sqrt { ( - 8 ) ( - 8 ) } = \sqrt { 64 } = 8$

question 251

Multiple Choice

Describe the error. $\sqrt { - 8 } \sqrt { - 8 } = \sqrt { ( - 8 ) ( - 8 ) } = \sqrt { 64 } = 8$

• A) \(\sqrt { - 8 } \sqrt { - 8 } = \sqrt { 8 } i \sqrt { 8 } i = 8 i = - 8 i\)
• B) \(\sqrt { - 8 } \sqrt { - 8 } = \sqrt { 8 } i \sqrt { 8 } i = - 64\)
• C) \(\sqrt { - 8 } \sqrt { - 8 } = \sqrt { 8 } i \sqrt { 8 } i = 8 i\)
• D) \(\sqrt { - 8 } \sqrt { - 8 } = \sqrt { 8 } i \sqrt { 8 } i = 8 i ^ { 2 } = - 8\)
• E) \(\sqrt { - 8 } \sqrt { - 8 } = \sqrt { 8 } i \sqrt { 8 } i = 8 i ^ { 2 } = 8\)

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