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WAEC - Mathematics (2001 - No. 20)
which of the following is not quadratic expression?
\(y = 2x^2 - 5x\)
\(y=x(x-5)\)
\(y = x^2 - 5\)
y = 5(x-1)
Uitleg
A quadratic equation is an equation of the second order. The highest power in the equation is 2.
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