Indicate whether the statement is true always, sometimes, or never.
-When i is raised to an even power, the result is -1.
A) Always
B) Sometimes
C) Never

Question

Quizplus · Accepted Answer

When $i$ is raised to an even power, the result alternates between $1$ and $-1$, depending on the specific even power. For example, $i^2 = -1$, but $i^4 = 1$. Therefore, the statement is true only sometimes.

Indicate Whether the Statement Is True Always, Sometimes, or Never