Write the number as the product of a real number and i.
-$\sqrt { - 49 }$
A) $- \mathrm { i } \sqrt { 49 }$
B) $- 7 \mathrm { i }$
C) $7 \mathrm { i }$
D) $7 \sqrt { \mathrm { i } }$

Question

Quizplus · Accepted Answer

The square root of -49 can be expressed as the square root of 49 times the square root of -1. The square root of 49 is 7, and the square root of -1 is i, so $\sqrt{-49} = 7i$.

Write the Number as the Product of a Real Number −49\sqrt { - 49 }−49​

Write the Number as the Product of a Real Number $\sqrt { - 49 }$