Question

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Answer 1

Answer:

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Answer 2

$\purple{\huge{\bold{\mathcal{Answer}}}}$

-3 is one of the zeros of the polynomial

$x {}^{2} + kx + 1$

To find the value of k we need to put the zeros

$( - 3) {}^{2} + k( - 3) + 1 = 0$

$\large{9-3k+1=0}$

$\large{10-3k=0}$

$\large{-3k=-10}$

$\purple{\huge{\bold{\mathcal{K=10/3}}}}$