Question

Ten is the geometric mean of 4 and what number?

2

40

25

8

Answer 1

\[10 = \sqrt{x * 4}\]

Solve for x, by first squaring... Don't forget to check for extraneous solutions

Answer 2

So 40?

Answer 3

squared both sides and will get

100 = 4x divide both sides by 4

so x = 100/4 = ???

Answer 4

25