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16 May 2018, 04:39
Kudos
Bookmarks
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
78% (00:44) correct
22%
(00:50)
wrong
based on 250
sessions
History
Date
Time
Result
Not Attempted Yet
If \(y= \sqrt{0.36x^8}\), then y =
A) \(0.06x^2\)
B) \(0.06x^4\)
C) \(0.06x^5\)
D) \(0.6x^2\)
E) \(0.6x^4\)
A) \(0.06x^2\)
B) \(0.06x^4\)
C) \(0.06x^5\)
D) \(0.6x^2\)
E) \(0.6x^4\)
16 May 2018, 10:51
Kudos
Bookmarks
Bunuel
\(y= \sqrt{0.36x^8}\)
or \(y= \sqrt{0.36}*\sqrt{x^8}\)
or \(y= \sqrt{0.6*0.6}*\sqrt{x^4*x^4}\)
or \(y= 0.6*x^4\)
or \(y= 0.6x^4\)....Hence option E.
18 May 2018, 11:24
Kudos
Bookmarks
Bunuel
Since 0.36x^8 = (0.6x^4)^2, then y = √(0.6x^4)^2 = 0.6x^4.
Answer: E
