Question

If 9 : x = x : 4, then x = _____

Answer 1

Step-by-step explanation:

`\tt{ 9:x=x:4 }` ⠀

`\tt{(9)/(x)=(x)/(4) }` ⠀

`\tt{x×x=9×4 }` ⠀

`\tt{ x^2=36 }` ⠀

`\tt{ x=√(36)}` ⠀

`\tt{ x=6 ~and~x=-6 }` ⠀

Answer 2

Step-by-step explanation:

Step-by-step explanation:

9

:

x

as

x

:

4

∴

9

x

=

x

4

x

2

=

36

x

=

±

√

36

x

=

±

6