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. Find the constant k such that the quadratic 2x^2 + 13x - 8x + 2x^2 + k has a double root.

 Feb 17, 2024
 #1
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\(4{x}^{2}+5x+k=0\).

Use discriminant so that \(\Delta = 0\).

\(25-4(k)(4)=0\)

\(16k=25\)

\(k=\frac{25}{16}\).

 Feb 17, 2024

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