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1 vote
(05.02 MC)
Solve 2 log x = log 64.
Ox= 1.8
Ox=8
Ox= 32
Ox = 128

User Nesrin
by
8.3k points

1 Answer

1 vote

Answer:

x = 8

Explanation:


2logx=log64\\logx^2=log64

now that both sides has log, you can remove them and leave it as:


x^(2) =64\\

take the square root of both sides:


x = [8, -8]\\x = 8

logarithmic equations can't have negative solutions, plus -8 isn't an option

i hope this helped!

User Raul Guiu
by
8.9k points

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