The larger value of y for which (y - 1)2 = 4y - 7 is

Assessment: JAMB UTME - Mathematics - 1984 Subject: General Mathematics

Question 1 Report

The larger value of y for which (y - 1)2 = 4y - 7 is
Answer Details
(y - 1)2 = 4y - 7
y2 - 2xy + 1 = 4y - 7
y2 - 6y + 8 = 0
(y - 4)(y - 2)
y = 4 or 2 = 4

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