Posted by suzy on .
Y varies directly with square root of X. Y=3 when X=4. find Y when X=1

intermediate algebra 
Reiny,
"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