Two mark example problem III — task. Mathematics State Board, Class 10.

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Answer variants:

$\frac{- 5}{2}$

$-k$

$\frac{5}{2}$

$65$

$8$

$-2k^2$

$\frac{7}{2}$

$-8$

$\frac{- 7}{2}$

$-65$

$2k^2$

$k$

Find the sum and product of the roots for each of the following quadratic equations:

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4. Two mark example problem III