If 32y + 6(3y) = 27. Find y
A
3
B
-1
C
2
D
-3
E
1
Verified Correct Answer: E.
Step-by-Step Mathematical Solution
32y + 6(3y) = 27
This can be rewritten as (3y)2 + 6(3y) = 27
Let 3y = x
x2 + 6x - 27 = 0
(x + 9)(x - 3) = 0
when x - 3 = 0, x = 3
sub. for x in 3y = x
3y = 3
log33 = y
y = 1
Source: Myschool Past Questions Archive (Record #32224)