# intermediate algebra

posted by .

Y varies directly with square root of X. Y=3 when X=4. find Y when X=1

• intermediate algebra -

"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

## Similar Questions

1. ### Check my answers. Algebra

Can you please check my answers? Thanxs! Write an equation that expresses the relationship. Use k as the constant of variation. 20. f varies jointly as b and the square of c. -I got: f=kbc^2 22. r varies jointly as the square of s
2. ### Math

DIRECT VARIATION 1. a is directly proportional to b.If a=15,then b=9 2. m varies directly as n.If n=2/3,then m=1/4 3. T varies as the square root of L. If L=81,then T=10 4.r varies directly as the square of t. If t=16,then r=6. 5. …
3. ### math

t varies directly as the square root of l. If l=81, then t=10 what is the constant proportion?
4. ### Intermediate Algebra

y varies directly as the cube of x and inversely as the square of z. If y is 30 when x is 2 and z is 4: b) Find the equation that models this data. c) Find the value of y when x is 3 and z is 2.
5. ### math

P varies directly as the square root of q. P=8 when q =25 find p when q = 100
6. ### math

a variable y varies directly as the square root of a varies x,and equals 6 when x=4 find y when x=25
7. ### Intermediate Algebra

simplify the the lowest term 1. square root of 40x^3 2. square root of 3/4 times square root of 4/7 3. square root of 6 + square root of 20
8. ### munali boys

If y varies directly as square of x and the square root of z and y=3 when x=4 and z=9,find the value of y when x=3 and z=16
9. ### Math/Algebra

Im stuck on two problems and would really appreciate the help. 1. y varies jointly as a and b, and inversely as the square root of c. y=28 when a=2, b=7, and c=9. Find y when a=4, b=2, and c=4 2. y varies directly as x and inversely …
10. ### Math

If p varies directly as the square root of r and p=3.2 when r=4,find p when r=6.5

More Similar Questions