Five mark exercise problem XI — task. Mathematics State Board, Class 10.

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Find the value(s) of

$k$ for which the roots of the following equations are real and equal.

$kx^2 + (6k + 2)x + 16 = 0$

Answer:

$k =$

$\frac{1}{9}$
$-\frac{1}{9}$
$-1$
$1$

(Note: Select multiple answers if necessary.)

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