What is the geometric mean of 7 and 11?
(1 point)
A. 3sqrt(7)
B. 3sqrt(11)
C.77
D.sqrt(77)
The geometric mean of two numbers is the square root of their product. In this case, the geometric mean of 7 and 11 is sqrt(7 * 11) = sqrt(77).
Therefore, the correct answer is D. sqrt(77).