Solve by taking square roots:
A) 25i and -25i
B) 5i and 5
C) 5 and -5
D) 5i and -5i
E) 25 and -25

Name: Solve by taking square roots: A) 25i and -25i B) 5i and 5 C) 5 and -5 D) 5i and -5i E) 25 and -25
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Question

Solve by taking square roots: 
A) 25i and -25i 
B) 5i and 5 
C) 5 and -5 
D) 5i and -5i 
E) 25 and -25

Quizplus · Accepted Answer

Taking the square root of a negative number results in an imaginary number with the value of the square root of the positive value of the number times i. In this case, the positive value of the number is 11, so the square roots are 5i and -5i. Therefore, the best choice is D.

Solve by Taking Square Roots