Question

If the sum of zeroes of quadratic polynomial
${5x}^{2} - kx + 8$
is 4, then find the value of k:
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Answer 1

Here is your answer……..!!!!

Answer 2

Answer:

sum of zeroes are :

Step-by-step explanation:

$\frac{ - b}{a}$

$4 = \frac{k}{5}$

$k = 20$