Question

A varies directly as B^2. If B = 2, A = 8. Find A if B = 5.
a. 10
b. 25
c. 50
d. 100

Answer 1

hey frnd....
given that A varies as B^2
as watching the given example that
B = 2 and then A = 8
we can say that...
A = 2(B^2)

so.....
if B = 5
then A = 2(5^2)
= 2(25)
= 50

HOPE THIS HELP YOU ☺☺☺