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
  • E y = 0 or 10
waec 1990mathematics

The correct answer is C. y = 0 or 3/7

7y\(^2\) = 3y

7y\(^2\) - 3y = 0

y(7y - 3) = 0

y = 0 or y = \(\frac{3}{7}\)

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