Solve the equation 7y 2 3y - WAEC Mathematics 1990 Question
Solve the equation 7y\(^2\) = 3y
A
y = 3 or 7
B
y = 0 or 7
C
y = 0 or 3/7
D
y = 0 or 9
correct option: c
7y\(^2\) = 3y
7y\(^2\) - 3y = 0
y(7y - 3) = 0
y = 0 or y = \(\frac{3}{7}\)
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