Posted by suzy on Monday, October 1, 2012 at 10:04pm.
"Y varies directly with square root of X" ---> y = k√x , where k is a constant
given: y=3, x=4
3 = k(√4)
k = 3/2
y = (3/2)√x
when x=1
y = (3/2)√1 = 3/2
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