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Year 11 Maths - Methods Quadratics

The Discriminant

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Questions
Question 1
28609

Given the quadratic equation \(2{x^2} + 3x - 2 = 0\), the discriminate \((\Delta )\) is?

\(25\)

\begin{array}{l}
\;2x^{2}+3x-2=0 \\
a=2, b=3, c=-2 \\
\Delta=b^{2}-4 a c\\
\Delta=9-4 \times 2 \times -2 \\
\Delta=25 \\
\end{array}

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