ginadesor7208 ginadesor7208
  • 03-07-2017
  • Mathematics
contestada

Solve 2 log x = log 64.
A. x = 8
B. x = ±8
C. x = 32
D.x = 128

Respuesta :

tonb
tonb tonb
  • 06-07-2017
2 log x is the same as log x².
So x²=64, so x=8. Not -8 because log of negative number is undefined.

Answer A.
Answer Link

Otras preguntas

5 1/3 -2 2/3 what is the answer
A quatrain is a. a stanza consisting of four lines. b. a dedication that precedes a ballad. c. a pair of lines at the end of the poem. d. a pattern of three
What is the orginal first collages in Tenneessee?
What is the process by which the layers of a glacier flow at different speeds without breaking? a. pyroclastic flow b. basal sliding c. ogive sliding d. pla
The wholesale price of a lamp is $44 and will be marked up by 40 percent. What is the retail price of the lamp?
Why did European countries establish colonies in Africa during the 19th century?
Adam borrowed money to buy a new car. the bank now has a lien. what can happen if Adam doesn't make his payments on time?
The narrator of "Uncle John's Farm" is _____.
practice 2 digital subtraction 5 0 _ 1 8
Brenda, Katherine, and Patrice earned a combined 17 points during their team's game. Brenda earned 4 points and Katherine earned 8 points. Which of the followin