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\(\begin{align*} &-x^2 + 18x + 81 \\ &3x^2 - 6x + 9 \\ &8x^2 - 32x + 32 \\ &25x^2 - 30x - 9 \\ &x^2 - 14x + 196 \end{align*}\)

 Aug 10, 2022
edited by ILikeSushi  Aug 10, 2022
 #1
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If a quadratic has a repeated root, the discriminant (\(b^2 - 4ac\)) is equal to 0. 

 

Can you take it from here? Feel free to ask if you need more help

 Aug 10, 2022

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