Write the Expression in the Form Bi, Where B Is $\sqrt { - 7 }$

question 289

Multiple Choice

Write the expression in the form bi, where b is a real number.
- $\sqrt { - 7 }$

• A) \(- \sqrt { 7 }\)
• B) \(7 \sqrt { i }\)
• C) \(\sqrt { 7 } i\)
• D) \(\frac { 7 } { 2 } \mathrm { i }\)

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