01-06-2014
Mathematics

Answered

If x= (a^2)/b, which situation would always double the value of x?
(1) Doubling the value of a
(2) Halving the value of a
(3) Doubling the value of b
(4) Halving the value of b

Answer :

iloveonedirection iloveonedirection

01-06-2014

(4) Halving the value of b

Example #1:
a = 4 , b = 2
x = (4^2) / 2
x = 16 / 2
x = 8
a = 4 , b = 1
x = (4^2) / 1
x = 16 / 1
x = 16

Example #2:
a = 8 , b = 4
x = (8^2) / 4
x = 64 / 4
x = 16
a = 8 , b = 2
x = (8^2) / 2
x = 64 / 2
x = 32

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