IMathAS-libretexts

Evaluate each expression. If the result is not a real number, enter DNE

a)

\displaystyle -\sqrt{{{64}}}

=

b)

\displaystyle \sqrt{{-{64}}}

=

[more..]

Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity

Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity