The larger value of y for which (y - 1)2 = 4y - 7 is
A
2
B
4
C
6
D
7
E
8
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
(y - 1)2 = 4y - 7
y2 - 2xy + 1 = 4y - 7
y2 - 6y + 8 = 0
(y - 4)(y - 2)
y = 4 or 2 = 4
Source: Myschool Past Questions Archive (Record #32440)